GETCO

Q1. Which of the following is not equivalent to watts?

1. \(ampere \times volt\)
2. \((ampere)^2\times ohm\)
3. \( ampere / volt \)
4. \(joules / sec \)

Correct Ans: C

Q2.Constant voltage source is

1. active and unilateral
2. active and bilateral
3. passive and bilateral
4. passive and unilateral

Correct Ans: A

Q3.Kirchhoff's laws are valid for

1. both linear and nonlinear circuits
2. linear circuits only
3. passive time invariant circuits
4. nonlinear circuits only

Correct Ans: A

Q4.The emf of primary cell depends upon the

1. nature of electrolyte and nature of electrode
2. physical dimensions of a cell
3. nature of electrolyte
4. nature of electrode

Correct Ans: A

Q5.Cells are connected in parallel in order to increase the

1. current capacity
2. life of the cells
3. efficiency
4. voltage rating

Correct Ans: A

Q6.For the protection of power system against travelling waves, we use

1. surge diverters
2. earthing screens
3. over head ground Wires
4. none

Correct Ans: A

Q7.The rate of rise of restriking (RRRV) voltage depends on

1. both inductance and capacitance of the system
2. the type of circuit breaker
3. the inductance of the system only
4. the capacitance of the system only

Correct Ans: A

Q8.The capacitance of a capacitor is___________relative permittivity.

1. directly proportional to
2. inversely proportional to
3. independent of
4. directly proportional to square of

Correct Ans: A

Q9.A circuit component that opposes the change in circuit voltage is

1. capacitance
2. resistance
3. inductance
4. all

Correct Ans: A

Q10.The current through series RLC circuit under resonance condition will be

1. \(\frac{V}{R}\)
2. \(\frac{V}{X_C}\)
3. \(\frac{V}{X_L}\)
4. none

Correct Ans: A

Q11.The dynamic resistance of a parallel resonant circuit is given by

1. \(\frac{L}{CR}\)
2. \(\frac{LC}{R}\)
3. \(LCR\)
4. \(\frac{C}{LR}\)

Correct Ans: A

Q12.The rated voltage of three phase power system is given as

1. rms phase voltage
2. rms line to line voltage
3. Peak phase voltage
4. Peak line to line voltage

Correct Ans: B

Q13.To improve the power factor in three phase circuits, the capacitor bank is connected in delta to make

1. capacitance very small
2. capacitance calculation easy
3. the connection elegant
4. the power factor correction more effective

Correct Ans: A

Q14.If the reading of two wattmeters are equal and positive in two wattmeter method, the load power factor in a balanced 3-phase 3-wire circuit will be

1. unity
2. zero
3. 0.5
4. 0.866

Correct Ans: A

Q15.In a 3-phase supply, floating neutral is undesirable because it may result in____________across the load.

1. unequal line voltage
2. high voltage
3. low voltage
4. none

Correct Ans: A

Q16.For which one of the following material, is the Hall Coefficient zero?

1. Intrinsic semiconductor
2. Metal
3. Insulator
4. Alloy

Correct Ans: B

Q17.Conductivity of aluminium is_________time of that of copper.

1. 0.6
2. 1.63
3. 2.5
4. 0.4

Correct Ans: A

Q18.Liquid crystal material is used in

1. display devices and thermal sensors
2. ultrasonic amplification and display devices
3. thermal sensors and transducers
4. transducers and ultrasonic amplification

Correct Ans: A

Q19.The rating of fuse wire is always expressed in \(_{-----------}\)

1. amperes
2. volts
3. ampere-volts
4. ampere hours

Correct Ans: A

Q20.The thickness of insulation provided on the conductor depends upon

1. voltage rating
2. current rating
3. current rating and voltage rating
4. none

Correct Ans: A

Q21.Which one of the following is not true for Sulphur Hexafluoride gas?

1. It is highly inflammable
2. It is electronegative in nature
3. It has high dielectric strength
4. It is non toxic

Correct Ans: A

Q22.A fuse is

1. never inserted in neutral wire
2. normally inserted in phase wire
3. normally inserted in neutral wire
4. never inserted in phase wire

Correct Ans: B

Q23.Lamps in street lighting are all connected in

1. parallel
2. series
3. series-parallel
4. end-to-end

Correct Ans: A

Q24.Galvanized steel wire is usually used as

1. all
2. stay wire
3. structural components
4. earth wire

Correct Ans: A

Q25.In hydro power station what is an enlarged body of water just above the intake and used as a regulating reservoir,called

1. Forebay
2. Spill ways
3. Penstock
4. Reservoir

Correct Ans: A

Q26.The efficiency of a nuclear power plant is less than that of a conventional fuel fired thermal plant because of

1. low temperature and pressure conditions
2. higher temperature conditions
3. less rejection of heat in the condenser
4. higher pressure conditions

Correct Ans: A

Q27.As the size of a thermal generating unit increases,the capital cost per KW of installed capacity

1. decreases
2. increases
3. remain the same
4. may increase or decrease

Correct Ans: A

Q28.The efficiency of solar cell is about

1. 0.15
2. 0.25
3. 0.4
4. 0.6

Correct Ans: A

Q29.The function of a surge tank is to

1. relieve water hammer pressure in the penstock pipe
2. supply water at constant pressure
3. produce surge in the pipeline
4. none

Correct Ans: A

Q30.A power system needs injection of VARs at

1. both peak and off-peak load
2. off peak load
3. full load
4. peak load

Correct Ans: A

Q31.The output of a solar cell is of the order of

1. 5W
2. 10 W
3. 1W
4. 20 W

Correct Ans: C

Q32.Water hammer occurs in

1. penstock
2. surge tank
3. turbine casing
4. draft tube

Correct Ans: A

Q33.In thermal power plants, the pressure in the working fluid cycle is developed by

1. feed water pump
2. superheater
3. condenser
4. turbine

Correct Ans: A

Q34.The injection of VARs is required to

1. get a good voltage profile
2. compensate for line losses
3. increase the voltage at the receiving end
4. all

Correct Ans: A

Q35.On which one of the following cycles does a modern steam power plant work?

1. Rankine cycle
2. Otto Cycle
3. Carnot cycle
4. Bell-Coleman cycle

Correct Ans: A

Q36.Load shedding is done to

1. improve power factor
2. reduced peak demand
3. run the equipment efficiently
4. repair the machine

Correct Ans: B

Q37.Control rods used in nuclear reactors are made of

1. boron
2. zirconium
3. lead
4. beryllium

Correct Ans: A

Q38.In a load duration curve for an integrated power system, the uppermost crest represents the energy contributed by which one of the following?

1. Non-conventional power stations
2. Basepower stations
3. Major thermal stations
4. Peaking hydro or gas turbine stations

Correct Ans: A

Q39.Demand factor is defined as:

1. average load/maximum load
2. maximum load/connected load
3. connected load/maximum load
4. maximum load./average load

Correct Ans: B

Q40.In a superheater

1. temperature rises and pressure remains unchanged
2. temperature rises and pressure drops
3. pressure rises and temperature drops
4. pressure rises and temperature remains the same

Correct Ans: A

Q41.A synchronous condenser is virtually a/an

1. over-excited synchronous motor
2. induction motor
3. under-excited synchronous motor
4. commutator motor

Correct Ans: A

Q42.The volume of copper required for an ac transmission line is inversely proportional to

1. voltage and power factor
2. current
3. voltage
4. power factor

Correct Ans: A

Q43.Effect of temperature rise in overhead lines is to

1. increase the sag and decrease the tension
2. decrease the sag and increase the tension
3. increase both
4. decrease both

Correct Ans: A

Q44.The voltages across the various discs of a string of suspension insulators having identical discs is different due to

1. shunt capacitance to ground
2. surface leakage currents
3. series capacitance
4. series and shunt capacitances

Correct Ans: A

Q45.The main function of economiser of a boiler plant is to

1. reduce fuel consumption
2. increases steam production
3. increase life of the boiler
4. increase steam pressure

Correct Ans: A

Q46.The effect of corona is ….

1. increased energy loss
2. increased inductance
3. increased reactance
4. All the above

Correct Ans: A

Q47.The inductance of the power transmission line increases with

1. decrease in line length
2. increase in diameter of the conductor
3. increase in spacing between conductors
4. increase in load current

Correct Ans: C

Q48.If the effect of earth is taken into account, then the capacitance of line to ground

1. increases
2. decreases
3. remains unaltered
4. becomes infinite

Correct Ans: A

Q49.Ferranti effect happens in transmission line when the line is

1. long and unloaded
2. long and loaded
3. short and loaded
4. none

Correct Ans: A

Q50.For a lossy transmission line, the characteristic impedance does not depend on

1. length of the line
2. the operating frequency of the line
3. the conductivity of the conductors
4. conductivity of the dielectric separating the conductors

Correct Ans: A

Q51.Bundled conductors are employed to improve

1. corona performance of the line
2. mechanically stability of the line
3. appearance of the transmission line
4. current carrying capacity of the line

Correct Ans: A

Q52.Back to back HVDC is used to

1. provide stable interconnection
2. increase the transmission capability
3. decrease line losses
4. reduce voltage drop

Correct Ans: A

Q53.The most accurate and versatile method of achieving reactive power compensation is by using

1. switched capacitor with controlled reactors
2. fixed capacitor with controlled reactor
3. switched capacitors
4. saturable reactor with capacitor bank

Correct Ans: A

Q54.If the separation between the three phases of a transmission line is increased then

1. the inductance will increase and the capacitance will decrease
2. the inductance will increase and capacitance will remain unchanged
3. both the inductance and capacitance will increase
4. the inductance will decrease and the capacitance will increase

Correct Ans: A

Q55.Feeder is designed mainly from the point of view of

1. its current carrying capacity
2. voltage drop in it
3. operating voltage
4. operating frequency

Correct Ans: A

Q56.By increasing the transmission voltage to double of its original value the same power can be dispatched keeping the line loss

1. one fourth of original value
2. equal to original value
3. half the original value
4. double the original value

Correct Ans: A

Q57.What is SCADA?

1. process
2. system
3. software
4. hardware

Correct Ans: A

Q58.In a transmission system, the weight of copper used is proportional to

1. \(E\)
2. \(\frac{1}{E^2}\)
3. \(E^2\)
4. \(\frac{1}{E}\)

Correct Ans: B

Q59.In a 3-phase, 4-wire cable the cross sectional area of neutral conductor is

1. equal to the area of phase conductor
2. half of the area of phase conductor
3. double the area of phase conductor
4. 1.5 times the area of phase conductor

Correct Ans: B

Q60.The power factor of an open ended cable can be improved by

1. increasing the insulation resistance
2. increasing the capacitance
3. decreasing the capacitance
4. increasing the conductor resistance

Correct Ans: A

Q61.The lead sheath of the cable may get damaged due to

1. anyone
2. mechanically injury
3. crystallisation of lead through vibrations
4. chemical action with impurities present in the soil when buried in earth

Correct Ans: A

Q62.SCADA is

1. all
2. real time data acquisition and processing
3. data storing
4. data monitoring and control

Correct Ans: A

Q63.Fiber-optic cables are used in power system applications mainly for

1. all
2. SCADA
3. communication between power station and substation
4. communication between power station and load control center

Correct Ans: A

Q64.The most common type of fault is

1. single phase to ground
2. phase-to-phase
3. two-phase-to-ground
4. three-phase to ground

Correct Ans: A

Q65.The stability of arc in vacuum depends on

1. the contact material with its vapour pressure and the circuit parameters
2. the contact material only
3. the contact material and its vapour pressure
4. the circuit parameters only

Correct Ans: A

Q66.In air blast circuit breaker resistance switching is used to

1. damp out the fast transient
2. reduce the magnitude of fault current
3. control the CB operating time
4. change the fault current power factor

Correct Ans: A

Q67.The booster is inserted in the circuit to

1. compensate for voltage drop
2. increase current
3. reduce current
4. reduce voltage drop

Correct Ans: A

Q68.Circuit breakers usually operate under

1. sub-transient state of short circuit current
2. steady short circuit current
3. transient state of short circuit current
4. none

Correct Ans: C

Q69.Current rating is not necessary in case of

1. isolators
2. circuit breakers
3. load break switches
4. circuit breakers and load break switches

Correct Ans: A

Q70.Steady state stability of power system is improved by

1. reducing fault clearing time
2. decreasing generator inertia
3. single pole switching
4. using double circuit line instead of single circuit line

Correct Ans: D

Q71.The draught which a chimney produces is called

1. natural draught
2. induced draught
3. forced draught
4. balanced draught

Correct Ans: A

Q72.The diversity factor is always

1. equal to 1
2. less than 1
3. greater than 1
4. none of the above

Correct Ans: C

Q73.For an overhead line, the surge impedance is taken as

1. 100-200 ohms
2. 20-40 ohms
3. 70-80 ohms
4. 500-1000 ohms

Correct Ans: A

Q74.Which of the following relays is used on long transmission lines ?

1. Mho's relay
2. Impedance relay
3. Reactance relay
4. none

Correct Ans: A

Q75.Power system stability is least affected by

1. input torque
2. losses
3. reactance of generator
4. reactance of transmission line

Correct Ans: B

Q76.The charging current in the cables

1. leads the voltage by \(90^\circ\)
2. leads the voltage by \(180^\circ\)
3. lags the voltage by \(90^\circ\)
4. lags the voltage by \(180^\circ\)

Correct Ans: A

Q77.Burden of a protective relay is the power

1. absorbed by the circuit of relay
2. required to operate the circuit breaker
3. developed by the relay circuit
4. none

Correct Ans: A

Q78.Arc in a circuit breaker is interrupted at

1. zero current
2. maximum current
3. minimum voltage
4. maximum voltage

Correct Ans: A

Q79.The minimum dielectric stress in a cable is at

1. bedding
2. armour
3. conductor surface
4. lead sheath

Correct Ans: D

Q80.If the length of a cable is doubled, its capacitance

1. becomes double
2. becomes one-fourth
3. becomes one-half
4. remains unchanged

Correct Ans: A

Q81.Who called Subhashchandra Bose as Desh Nayak?

1. Rabindranath Tagore
2. Lala Lajpat Rai
3. Mahatma Gandhi
4. Bal Gangadhar Tilak

Correct Ans: A

Q82.Which Article of the Constitution provides freedom to manage religious affairs?

1. Article 26
2. Article 25
3. Article 27
4. Article 28

Correct Ans: A

Q83.The Mid Day Meal Scheme was launched on

1. August 15,1995
2. August 15,2000
3. August 15,1992
4. August 15,2001

Correct Ans: A

Q84.What is india's rank in the 2017 Global Peace Index as per global think tank Institute for Economics and Peace(IEP)?

1. \(137^{th}\)
2. \(141^{st}\)
3. \(133^{rd}\)
4. \(155^{th}\)

Correct Ans: A

Q85.The World Milk Day (WMD) is observed on which date?

1. \(1^{st}\) june
2. \(3^{rd}\) june
3. \(4^{th}\) june
4. \(5^{th}\) june

Correct Ans: A

Q86.Who wrote the famous book-"We the people"?

1. Nani Palkhivala
2. T.N.Kaul
3. J.R.D.Tata
4. Khushwant Singh

Correct Ans: A

Q87.Who was known as Iron man of india?

1. Sardar Vallabhbhai Patel
2. Govind Ballabh Pant
3. Jawaharlal Nehru
4. Subhash Chandra Bose

Correct Ans: A

Q88.Who is the first Asian Winner of Nobel Prize?

1. Rabindranath Tagore
2. C.V.Raman
3. Dalai Lama
4. Mother Teresa

Correct Ans: A

Q89.Who is the CJI (chief justice of india)?

1. Jagdish Singh Khehar
2. T.S.Thakur
3. H.L.Dattu
4. Altamas Kabir

Correct Ans: A

Q90.Who is the Revenue Minister of Gujarat State?

1. Bhupendrasinh Chudasma
2. Vijaybhai Rupani
3. Nitinbhai Patel
4. Ganpatbhai Vasava

Correct Ans: A

Q91.Person who does not believe in the existence of God ?

1. Atheist
2. Theist
3. Heretic
4. Fanatic

Correct Ans: A

Q92.Give Antonym: Underhand

1. Exposed
2. Hidden
3. Surreptitious
4. Obscure

Correct Ans: A

Q93.Give Synonym: Cease

1. Stop
2. Begin
3. Create
4. Dull

Correct Ans: A

Q94.Possessive Pronoun in sentence"Unless they do all of their homework,they won't allow to play"is

1. their
2. they
3. won't
4. unless

Correct Ans: A

Q95.After him in my life I _______see things differently now

1. can
2. begin
3. been
4. being

Correct Ans: A

Q96.I________tennis Sunday morning.

1. play
2. playing
3. am playing
4. am play

Correct Ans: A

Q97.Sorry, She can't come to the phone. She________a bath.

1. is having
2. having
3. have
4. has

Correct Ans: A

Q98.What time________

1. does the train leave?
2. the train leaves?
3. leaves the train?
4. is the train leaving?

Correct Ans: A

Q99.There are _________views on the issue of giving bonus to the employees

1. divergent
2. independent
3. modest
4. adverse

Correct Ans: A

Q100.Give synonym: Cancel

1. Abolish
2. Approve
3. Allow
4. Break

Correct Ans: A

QCK1.Any two cell locations separated by a colon are known as a_________________ in Excel.

1. Cell Styles
2. Cell Format
3. Cell Address
4. Cell Range

Correct Ans: D

QCK2.Who refined the binary number system, which is the foundation of nearly all digital electronic,
solid-state, discrete logic computers,

1. Roman Kohellor
2. Robert Merrihew
3. Gottfried Wilhelm Leibniz
4. Chirstoph Bernhard Francke

Correct Ans: C

QCK3.___________ used a TCP protocol weakness combined with a common computer-trust arrangement to gain privileged login access to several computers at UCSD.

1. The stack buffer overflow
2. Code-Execution intrusion
3. Morris Worm
4. Christmas Day sttack

Correct Ans: D

QCK4.Use the _ _ _ _ _ _ _ _function to create a reference to a range that is a specified number of rows and
columns away from a cell or range of cells

1. HLOOKUP
2. OFFSET
3. VLOOKUP
4. MATCH

Correct Ans: B

QCK5.In computing, the MSB is the bit which has the largest value in a multi-bit binary number, MSB stands
for _____________.

1. Maximum Significant Bit
2. Most Significant Bit
3. Master Serial Bit
4. Multiple Serial Bit

Correct Ans: B

QCK6._________ is a type of kernel in which user services and kernel services are implemented under same
address space.

1. Master kernel
2. Monolithic Kernel
3. Exokernels
4. Conmonkernals

Correct Ans: B

QCK7._________ type of chart lets you show trends over time like months, year and days in Excel.

1. Hierarchy chart
2. Map chart
3. Pie chart
4. Line chart

Correct Ans: D

QCK8.__________ are stored in memory and never written to disk, and remains active as long the process is
active.

1. Persistent cookies
2. Log file
3. Data file
4. Non-persistent cookies

Correct Ans: D

QCK9.The core component of an Operating system, which converts user commands into machine language is
__________.

1. Utilities
2. Kernel
3. GUI
4. API

Correct Ans: B

QCK10._______________ is a small network that is set up separately from a company’s private LAN and the
Internet.

1. Dialup Network
2. Perimeter Network
3. Radical Network
4. Trunch Network

Correct Ans: B

QEE1.Consider the series connection of batteries as shown in Fig. The total energy storage is

1. 2400 Wh
2. 4800 Wh
3. 1200 Wh
4. 3600 Wh

Correct Ans: B

QEE2.Which one of the following statements about fiber optic cable is CORRECT?

1. The cost of high-speed fibre optic system is much lesser than those of equivalent copper based system.
2. Fiber optic cables are extremely over weight and very large in diameter
3. Fiber optic cables can provide complete galvanic isolation between both ends of the cable
4. Fiber optic cables are completely affected by both electromagnetic interference and radio frequency interference

Correct Ans: C

QEE3.According to IS802:1995, the intermediate towers with suspension string can be used on

1. straight runs and upto \(2^\circ\) line deviation
2. straight runs and upto \(15^\circ\) line deviation
3. straight runs and upto \(5^\circ\) line deviation
4. straight runs and upto \(30^\circ\) line deviation

Correct Ans: A

QEE4.The aims of commissioning tests of the protection scheme are to:

1. ensure that equipment is neither faulty nor damaged during transit or installation
2. ensure that all installation work has been carried out correctly
3. prove the correct functioning of the protection system as a whole
4. all of then above

Correct Ans: D

QEE5.According to the National Electrical code (NEC) Article 408,the individual overcurrent protection must
be provided for a lighting and appliance branch-circult panelboard of not more than _________ Set (s) of
circuit breakers of fuses.

1. one
2. four
3. two
4. three

Correct Ans: C

QEE6.In..................... topology, all the nodes including the master form a closed loop, and the messages are transmitted from node to node in one direction.

1. mesh
2. ring
3. star
4. bus

Correct Ans: B

QEE7.Consider the following statements and choose the correct option.

Statement 1: The isolator switch is always used to open the electrical circuit in the no-load condition.

Statement 2: The isolators used in the transmission lines are capable of breaking the charging current.

1. Both Statement 1 and Statement 2 are FALSE
2. Statement 1 is TRUE and Statement 2 is FALSE
3. Both Statement 1 and Statement 2 are TRUE
4. Statement 1 is FALSE and Statement 2 is TRUE

Correct Ans: C

QEE8.Which of the following is the major component of bio-gas?

1. Hydrogen sulphide
2. CNG
3. LPG
4. Methane

Correct Ans: D

QEE9.Which of the following can be considered as the elements of cyber security?

1. Application Security
2. Operational Security
3. Network Security
4. All of the above

Correct Ans: D

QEE10.MATLAB Simulink is useful to simulate and analyze _________.

1. Linear Systems
2. Non Linear Systems
3. dynamic system configured in continuous time, sampled time or mixture of both
4. All of the above

Correct Ans: D

QEE11.A current limiting reactor is installed in a power system to .................... the short-circuit current by adding a reactive based impedance and thus .................... the voltage drop across their terminals during the fault.

1. increase, decrease
2. increase, increase
3. decrease, increase
4. decrease, decrease

Correct Ans: C

QEE12.The algorithm preferred for estimation of fault current in a numerical relay to achieve the best accuracy is

1. 3-Sample Algorithm
2. Half-cycle Fourier Algorithm
3. Full-cycle Fourier Algorithm
4. None of the above

Correct Ans: C

QEE13.The fiber-optic cables available for installation in high-voltage lines are:

(i) Encased within the ground wire.

(ii) Wrapped around the phase conductor or the ground wire.

(iii) Contained in an all dielectric self supporting cable.

1. (i) and (ii) are correct
2. (ii) and (iii) are correct
3. (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: D

QEE14.According to IE-1957, the minimum clearance between two 132 kV electrical lines crossing each other
is about ________.

1. 5.4 meter
2. 3 meter
3. 4.5 meter
4. 1 meter

Correct Ans: B

QEE15.Consider the power system network shown in Figure. Generator reactance and terminal voltages are given as: \(X_d^{'}=0.2\) p.u. and \(V_t=1.0\) p.u. Transformer reactance is \(0.1\) p.u. Infinite bus voltage is \(1.0\) p.u. Generator is feeding \(1.0\) p.u power to the infinite bus. Calculate the maximum steady-state power limit that can be transferred when the system is healthy.

1. \(3.49\) p.u
2. \(2.09\) p.u
3. \(5.69\) p.u
4. \(5.29\) p.u

Correct Ans: Correct answer is not mathced with above options

QEE16.Voltage transformers are designed to have ........................... leakage reactance and .......................... magnetizing current.

1. high,low
2. high,high
3. low,high
4. low,low

Correct Ans: D

QEE17.Which one of the following statements is TRUE?

1. Numerical protective system require significantly more panel space than the space required by electromechanical/static systems that provide similar functions.
2. The cost per function of numerical relays is higher compared to the cost of their electromechanical and static counterparts.
3. Numerical relays place significantly more burden on instrument transformers than the burden placed by electromechanical / static relays.
4. Numerical relays have the ability to perform self-monitoring and self-testing functions, which were not available in electromechanical/static relays.

Correct Ans: D

QEE18.The rate of change of wind speed with height is called

1. wind regime
2. wind run
3. wind rose
4. wind shear

Correct Ans: D

QEE19.The magneto-optical current transformer (MOCT) measures the electric current by means of ................

1. Piezoelectric effect
2. Seebeck effect
3. Peltier effect
4. Faraday effect

Correct Ans: D

QEE20.If the secondary burden of a current transformer is 25 VA and the secondary current is 5 A, then the impedance of the connected load is

1. 0.1 \(\Omega\)
2. 125 \(\Omega\)
3. 1 \(\Omega\)
4. 5 \(\Omega\)

Correct Ans: C

QEE21.The size of Gas Insulated Substation (GIS) is significantly small compared to conventional substation because of

1. High electronegative property of \(SF_{6}\) gas
2. High dielectric property of \(SF_{6}\) gas
3. High Insulation property of \(SF_{6}\) gas
4. All of the above

Correct Ans: D

QEE22.NFPA 70E provides guidance for which of the following?

1. Electrical System Design
2. Roof Safety and Worker protection
3. PV Installation Best Practices
4. Electrical Safety in the Workplace

Correct Ans: D

QEE23.A 25 kVA, 200/100 V three-phase transformer has a 0.2 \(\Omega\) leakage reactance referred to the low voltage side. Calculate the per-unit leakage impedance referred to the high voltage side of the transformer. Use the transformer ratings as base values.

1. j0.5 p.u
2. j0.03125 p.u.
3. j0.125 p.u.
4. j2 p.u.

Correct Ans: A

QEE24.Lead-acid batteries are ....................... and thus, considered as ................ batteries.

1. rechargeable, secondary
2. not rechargeable, primary
3. rechargeable, primary
4. not rechargeable, secondary

Correct Ans: A

QEE25.The nearest kVAR compensation required for improving the power factor of a 500 kW load from 0.8 lag to unity power factor is

1. 250 kVAR
2. 500 kVAR
3. 750 kVAR
4. 375 kVAR

Correct Ans: D

QEE26.Which of the following statements is true?

1. A nickel–cadmium battery is not rechargeable and is classified as hazardous
2. An alkaline manganese battery is used in torches and is classified as hazardous
3. A zinc–carbon battery is rechargeable and is not classified as hazardous
4. A lithium battery is used in watches and is not rechargeable

Correct Ans: D

QEE27.Pick out the correct statement.

1. The electrostatic stress in underground cables is zero at the surface of the conductor as well as on the surface of the sheath.
2. The electrostatic stress in underground cables is maximum at the surface of the conductor and minimum at the surface of the sheath.
3. The electrostatic stress in underground cables is same at the surface of the conductor and the surface of the sheath.
4. The electrostatic stress in underground cables is minimum at the surface of the conductor and maximum at the surface of the sheath

Correct Ans: B

QEE28.Ferranti effect is the phenomenon where the sending end voltage is .......... the receiving end voltage, when a long transmission line is operating under .............. conditions.

1. greater than, no-load
2. equal to, no-load
3. lesser than, no-load
4. lesser than, full-load

Correct Ans: C

QEE29.Capacitors of the capacitor bank are connected in parallel to achieve .............. capacitance values or in
series to achieve .............. capacitance values.

1. higher, lower
2. zero, infinite
3. lower, infinite
4. lower, higher

Correct Ans: A

QEE30....................... are added in the earth pit for improving conductivity of the soil.

1. Graphite and Silver
2. Salt and charcoal
3. Aluminum and Iron
4. Graphite and magnesium

Correct Ans: B

QEE31.Power is transferred from system A to system B by an HVDC link as shown in th fig. If the voltages \(V_{AB}\) and \(V_{CD}\) are as Indicated in the fig., and \(I > 0\) then

1. \(V_{AB} > 0, V_{CD} > 0, V_{AB} < V_{CD}\)
2. \(V_{AB} > 0, V_{CD} < 0\)
3. \(V_{AB} > 0, V_{CD} > 0, V_{AB} > V_{CD}\)
4. \(V_{AB} < 0> V_{CD}\)

Correct Ans: C

QEE32.Which one of the following statements is TRUE?

1. The lightning arrester connected between the line and earth in a power system suppresses high frequency oscillations in the line.
2. The lightning arrester used for the protection of the direct lightning strock is located near the apparatus to be protected.
3. Earthing screen provides protection against indirect lightning strokes.
4. The protection against direct lightning strokes and high voltage steep waves is provided by both the lightning arresters and ground wires.

Correct Ans: D

QEE33.A battery with a capacity of 1800 mAh is to be used in a device that draws 120 mA continuously.
Ignoring possible loss in capacity as a result of load current magnitude, how long should the battery be able to deliver power?

1. 15 hours
2. 5 hours
3. 20 hours
4. 10 hours

Correct Ans: A

QEE34.The line trap in Power Line Carrier Communication comprised of a ................ resonant circuit with ............ Impedance tuned to the power line carrier frequency.

1. parallel, high
2. series, high
3. parallel, low
4. series, low

Correct Ans: A

QEE35.A 440 V, three-phase, 50 Hz source is feeding a load of 250 kVA at 0.6 pf lagging. Find the kVAR to the capacitor bank required to improve the pf to 0.85 lag.

1. 107 KVAR
2. 307 KVAR
3. 407 KVAR
4. 207 KVAR

Correct Ans: A

QEE36.Which of the following statement(s) is/are TRUE?

(i) Lead-acid batteries must be stored in a bunded, cool, well-ventilated area

(ii) Lead-acid batteries must be stored Away from ignition sources

1. (i) only
2. (ii) only
3. Both (i) and (ii)
4. None of the above

Correct Ans: C

QEE37.National Electric Code (NEC) requires bending radius clearance for ................ to ensure the installing electrician has adequate room to make their power connections.

1. incoming power connection only
2. outgoing power connection only
3. both incoming and outgoing power connections
4. None of the above

Correct Ans: C

QEE38.Shunt connected, fixed or mechanically switched capacitors are applied to________

1. maintain voltage levels under no load conditions
2. maintain voltage levels under light load conditions
3. maintain voltage levels under heavy load conditions
4. maintain voltage levels under any load conditions

Correct Ans: C

QEE39.The configuration of a transmission line tower depends on the

1. length of the insulator assembly
2. minimum clearances to be maintained between conductors and between conductor and tower
3. minimum clearance of the lower conductor above the ground level
4. All of the above

Correct Ans: D

QEE40.The overhead line insulators should have .............. mechanical strength and .......... ratio of puncture strength to flashover.

1. high,high
2. high,low
3. low,high
4. low,low

Correct Ans: A

QEE41.A single line diagram of a power system is shown if Fig. The diagonal elements of the \(Z_{bus}\) matrix are

1. \(Z_{11}=j0.3\:pu\) and \(Z_{22}=j0.3\:pu\)
2. \(Z_{11}=j0.2\:pu\) and \(Z_{22}=j0.2\:pu\)
3. \(Z_{11}=j0.3\:pu\) and \(Z_{22}=j0.2\:pu\)
4. \(Z_{11}=j0.2\:pu\) and \(Z_{22}=j0.3\:pu\)

Correct Ans: A

QEE42.What is the recommended width of right of way (ROW) for the transmission line of 220 kV?

1. 85 meters
2. 35 meters
3. 18 meters
4. 52 meters

Correct Ans: B

QEE43.Determine the value of current 'I', in the circuit shown in Fig.

1. 3A
2. 1A
3. 2A
4. 4A

Correct Ans: B

QEE44.A purely reactive compensator cannot maintain both constant ................. and ........... at the same time.

1. Voltage, unity power factor
2. Current, 0.8 power factor
3. Current, unity power factor
4. Voltage, current

Correct Ans: A

QEE45.A 3-phase star/delta connected transformer of 220/11000 line volts is provided with Merz-Price circulating current protection. The protective transformers on 220 V side have a current ratio 600/5. What should be the CT ratio on 11000 V side? Assume that the line current on 220 V side is 600 A.

1. \(12:5\sqrt{3}\)
2. \(5:\frac{12}{\sqrt{3}}\)
3. \(12:5\)
4. \(5:12\sqrt{3}\)

Correct Ans: A

QEE46.A 500 kVA transformer has an efficiency of 95% at full load and also at 60% of full load, both at unity power factor. Determine the efficiency of the transformer at 3/4th full load and unity power factor

1. 93.15%
2. 95.15%
3. 92.15%
4. 97.15%

Correct Ans: B

QEE47.Most aircraft storage batteries are rated according to

1. voltage and ampere-hour capacity
2. open-circuit voltage and closed-circuit voltage
3. battery voltage and volts per cell
4. the maximum number of voltamperes (power) the battery can furnish to a load

Correct Ans: A

QEE48.The main objective of series compensation is to

1. reduce the voltage drop over long distance
2. reduce the fault currents
3. improve the power factor
4. all of the above

Correct Ans: A

QEE49.A wind turbine with 1 m long blade revolves at 450 rpm. How far does the tip of the blade travel in 1 hr?

1. 169.65 km
2. 339.25 km
3. 84.85 km
4. 254.45 km

Correct Ans: A

QEE50.Power system protection is provided so that

1. information is relayed
2. damage subsequent of faults is mitigated
3. faults are prevented
4. economic operation of power system is achieved

Correct Ans: B

QEE51.A photovoltaic panel has five modules connected in series, each module having an open circuit voltage \(V_{oc}\) of 12 V and short circuit current \(I_{sc}\) of 2 A. What should be the voltage axis and current axis intercept of the I-V characteristics of the photovoltaic panel?

1. 12 V, 2 A
2. 60 V, 2 A
3. 60 V, 10 A
4. 12 V, 10 A

Correct Ans: B

QEE52........................... is a collection of computers, peripherals, and appropriate input / output systems that enable the operators to monitor and control the state of the power system.

1. Communication System
2. Human-Machine Interface
3. Remote Terminal Units
4. Master Station

Correct Ans: D

QEE53.Battery charging rooms should be well ventilated because the charging process produces

1. highly combustible oxygen
2. explosive gases
3. highly poisonous gas
4. corrosive gases

Correct Ans: B

QEE54.Which of the following relays is provided as the primary protection of transmission lines?

1. Distance relay
2. Overcurrent relay
3. IDMT relay
4. Buchholz relay

Correct Ans: A

QEE55.An energy meter, having meter constant of 1200 rev/kWh makes 10 revolutions in 20 seconds for a constant load. The load is

1. 0.16 kW
2. 1.5 kW
3. 6 kW
4. 0.66 kW

Correct Ans: B

QEE56..................... is the technology used to distribute service requests to resources.

1. Load scheduling
2. Load forecsting
3. Load performing
4. Load balancing

Correct Ans: D

QEE57.The current transformers (CTs) are used to extend the range of ....................

1. AC ammeters only
2. DC ammeters only
3. both AC and DC ammeters
4. both AC and DC voltmeters

Correct Ans: A

QEE58.What is the effect of increase in solar irradiance level on solar PV cell open circuit voltage and short circuit current

1. the open circuit voltage decreases and short circuit current increase
2. Both the open circuit voltage and short circuit current increase
3. Both the open circuit voltage and short circuit current decrease
4. the open circuit voltage increases and short circuit current decrease

Correct Ans: B

QEE59.In comparison to Air insulated substation, Gas Insulated Substation (GIS) are more advantageous due to

1. Lower cost, more space, no Corona & low EMC
2. Lower cost, Reliability, more Corona & high EMC
3. Compactness, Reliability, low Corona & low EMC
4. Compactness, No maintenance, issues with Corona & high EMC

Correct Ans: C

QEE60.In a single phase 'm' level diode-clamped multilevel inverter, the number of DC-link capacitors needed is .........................

1. \(m+1\)
2. \(2(m-1)\)
3. \(m\)
4. \(m-1\)

Correct Ans: D

QEK1.Fill in the blanks with suitable Article from the given alternatives.

I am going to write ___________ letter for my friend.

1. the
2. an
3. a
4. No article

Correct Ans: C

QEK2.Fill in the blanks with suitable Preposition from the given alternatives.

We are going to deal ___________ French language.

1. with
2. about
3. on
4. over

Correct Ans: A

QEK3.From the given alternatives, choose the one that best expresses the meaning of the given idiom/phrase.

Turn out

1. To betray a partner
2. To stay confident and positive
3. To arrive at an event
4. To accept a challenge

Correct Ans: C

QEK4.Choose the word which expresses nearly the opposite meaning of the given word " AESTHETIC ".

1. Calculated
2. Unattractive
3. Deal
4. Coherence

Correct Ans: B

QEK5.Choose the best option from the given alternatives which can be substituted for the given word/sentence.

That which cannot be seen through

1. Transparent
2. Opaque
3. Unique
4. Cyclic

Correct Ans: B

QEK6.Choose the best option from the given alternatives which can be substituted for the given word/sentence.

One, who supervises in the examination hall

1. Shoal
2. Epic
3. Aspirant
4. Invigilator

Correct Ans: D

QEK7.Replace the underlined phrase grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.

<u><span class="color_blue">Because it was such a bargain, Rekha couldn’t</span></u> help but buy three of the low-priced pants.

1. Because it was such a bargain, Rekha will be
2. The given sentence is correct
3. Because it was such an bargain, Rekha couldn’t
4. Because it were such a bargain, Rekha couldn’t

Correct Ans: B

QEK8.Find the word which is correctly spelt from the given options.

1. Peculier
2. Unanimity
3. Reproache
4. Unmitigatad

Correct Ans: B

QEK9.Choose the word which expresses nearly the opposite meaning of the given word " BESET " .

1. Clarify
2. Invade
3. Harass
4. Nudge

Correct Ans: A

QEK10.Choose the word which best expresses the similar meaning of the given word " WRANGLE "

1. Argument
2. Harmony
3. Upgrade
4. Agreement

Correct Ans: A

QGK1.What is the rank of India in 'Henley Passport Index (HPI) 2021'?

1. \(70^{th}\)
2. \(90^{th}\)
3. \(60^{th}\)
4. \(80^{th}\)

Correct Ans: B

QGK2.Where is the headquarters of the World Health Organisation located?

1. Sweden
2. Denmark
3. France
4. Switzerland

Correct Ans: D

QGK3.To which type of microorganism does the Anthrax, that causes a fatal blood disease, belong to?

1. Bacteria
2. Virus
3. Fungus
4. Protozoa

Correct Ans: A

QGK4.Who was regarded as the Father of Communal Electorate?

1. Lord Curzon
2. Lord Lansdowne
3. Lord Dufferin
4. Lord Minto

Correct Ans: D

QGK5.Where was the Khilafat Committee formed in March 1919?

1. Madras
2. Lucknow
3. Bombay
4. Calcutta

Correct Ans: C

QGK6.Where was the Paramahansa Mandali founded in 1849?

1. Bengal
2. Awadh
3. Bombay
4. Lucknow

Correct Ans: C

QGK7.Which one of the following is responsible for rainfall during winter in North-Western India?

1. Tropical Cyclones
2. Polar Easterlies
3. Western disturbances
4. Eastern Jet Stream

Correct Ans: C

QGK8.Name the recent technology used in agriculture to silence the genes of viral pathogens.

1. RNA interference
2. Tissue culture
3. Genetic recombination
4. Polymerase chain reaction

Correct Ans: A

QGK9.When did the '\(74^{th}\) Constitutional Amendment' come into force?

1. \(1^{st}\) March 1995
2. \(1^{st}\) June 1993
3. \(1^{st}\) September 1998
4. \(1^{st}\) June 1994

Correct Ans: B

QGK10.Which committee proposed for the separation of the Railway Budget from the Central Budget in 1921?

1. Bibek Debroy Committee
2. Suresh Tendulkar Committee
3. Acworth Committee
4. S.P. Ganguly Committee

Correct Ans: C

QGL1.નીચેના વાક્યો જોડણીના સંદર્ભમાં સાચા છે કે ખોટા તે પસંદ કરો.

1. તે પૂજાવીધી કરીને પછી કામ શરૂ કરે છે.

2. નીતા પાસે અધિકારીએ રેલવે ટિકિટ માંગી.

1. વાક્ય 1 અને વાક્ય 2 બંને ખોટા છે.
2. વાક્ય 1 અને વાક્ય 2 બંને સાચાં છે.
3. વાક્ય 1 ખોટું છે અને વાક્ય 2 સાચું છે.
4. વાક્ય 1 સાચું છે અને વાક્ય 2 ખોટુ છે.

Correct Ans: C

QGL2.નીચેના વાક્ય માં રહેલા રૂઢિપ્રયોગ નો અર્થ સ્પષ્ટ કરો.

ગિરિજાપ્રસાદ ને લાલચમાં ગોળના પાણીએ ન્હાવાનો વારો આવ્યો.

1. ઓળઘોળ થવું
2. છેતરાવું
3. લાભ થવો
4. લાલચ થવી

Correct Ans: B

QGL3."વૈયક્તિક" નો વિરુદ્ધાર્થી શબ્દ જણાવો.

1. વ્યક્તિગત
2. પોતાનું
3. અંગત
4. સામુદાયિક

Correct Ans: D

QGL4." પરિધાન " શબ્દ નો સમાનાર્થી શબ્દ પસંદ કરો.

1. ઉપહાર
2. વસ્ત્ર
3. પ્રધાન
4. અંતધ્યાર્ન

Correct Ans: B

QGL5.આપેલા દ્રિરુક્ત શબ્દો પ્રમાણે યોગ્ય વિકલ્પ પસંદ કરો.
આવકજાવક: _ _ _ _ _ _ _ _ _.

1. વાહવાહ
2. ધનાધન
3. લેણદેણ
4. ધમાધમ

Correct Ans: C

QGL6." ઓહ! ખૂબ ભયાનક અકસ્માત હતો!..." આ કયા પ્રકાર નું વાક્ય છે ?

1. ઉદગાર વાકય
2. નિષેધ વાક્ય
3. સાદું વાકય
4. પ્રશ્ન વાક્ય

Correct Ans: A

QGL7.સંયુક્ત વાક્યમાં સંયોજકો તરીકે શું આવે છે?

1. જેમ ....તેમ
2. અને, અથવા
3. જો.... તો
4. જયારે....ત્યારે

Correct Ans: B

QGL8.વિકલ્પોમાં આપેલા વાક્યોમાંથી કર્તરિ રચના જણાવો.

1. તે કોઈનાથી રોકાયો નહિ
2. મારાથી હવે ચલાશે
3. શિક્ષકે વિદ્યાર્થીને ઠપકો આપ્યો
4. મનોજ ને ઇનામ મળ્યું

Correct Ans: C

QGL9."ગુજરાતી દલિતવાર્તાઓ" કૃતિના લેખક કોણ છે?

1. જોસેફ મેકવાન
2. રધુવીર ચૌધરી
3. હરિશ મંગલમ
4. ચંદુ મહેરિયા

Correct Ans: C

QGL10.આપેલા વિકલ્પોમાંથી શુદ્ધ વાક્ય શોધો.

1. દરેક માણસનો સત્કાર કરવો જોઈએ
2. બધા વિદ્યાર્થી ગણવેશમાં છે.
3. પરેશ તેના ઘર માંથી બહાર નીકળ્યો
4. બધા ભક્તોને પ્રસાદ મળશે

Correct Ans: D

QEE1.What is the recommended width of right of way (ROW) for the transmission line of 132 kV?

1. 52 meters
2. 18 meters
3. 35 meters
4. 27 meters

Correct Ans: D

QEE2.Which type of tower is NOT called Tension tower/section tower?

1. Type D
2. Type A
3. Type B
4. Type C

Correct Ans: B

QEE3....................... type of gas insulated substation (GIS) requires larger bay width and space as compared to other gas insulated switchgear system.

1. Isolated Phase GIS
2. Highly Integrated Systems
3. Compact GIS
4. Hybrid GIS

Correct Ans: A

QEE4.Two condensers of capacities 3C and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The potential difference across the capacitors will be

1. 
   \(\frac{V}{4K}\)
   
2. 
   \(\frac{V}{K+2}\)
   
3. 
   \(\frac{4V}{K+3}\)
   
4. 
   \(\frac{4V}{K}\)
   

Correct Ans: C

QEE5.…………..is comprised of a parallel resonant circuit with high impedance tuned to the power line carrier frequency.

1. Carrier transmitter
2. Line tuner
3. Power amplifier
4. Line trap

Correct Ans: D

QEE6.The meter constant of an energy meter is 1000 rev/kWh, the disc makes 2000 revolutions in a given time. The energy consumed is

1. 3 kWh
2. 1 kWh
3. 4 kWh
4. 2 kWh

Correct Ans: D

QEE7.The optical voltage transformer (OVT) measures the electric voltage by means of ...............

1. Peltier effect
2. Faraday effect
3. Seebeck effect
4. Pockels effect

Correct Ans: D

QEE8.If a 6 m diameter wind turbine rotor has 24 blades, each 0.5 m wide, calculate its solidity.

1. 83.60%
2. 53.60%
3. 73.60%
4. 63.60%

Correct Ans: D

QEE9.A three phase alternator having synchronous reactance 0.2 \(\Omega\) is rated as 100 MVA, 11 kV. Calculate the base current and base impedance.

1. 9.09 kA and 1.31 \(\Omega\)
2. 5.25 kA and 1.21 \(\Omega\)
3. 9.09 kA and 1.13 \(\Omega\)
4. 5.25 kA and 1.12 \(\Omega\)

Correct Ans: B

QEE10.Routine maintenance of lead acid batteries should include

1. coating the cable connections with petroleum jelly
2. maintaining a trickle charge
3. keeping the terminals clean
4. all the above

Correct Ans: D

QEE11.Which one of the following statements is TRUE?

1. The protection against direct lightning strokes and high voltage steep waves is provided by earthing of neutral
2. The earthing screen and ground wires can well protect the electrical system against direct lightning strokes
3. The lightning arrester connected between the line and earth in a power system suppresses high frequency oscillations in the line
   
4. The lightning arrester used for the protection of the direct lightning stroke is located near the apparatus to be protected

Correct Ans: B

QEE12.To minimise the risk of danger and injury, the following precautions are to be applied when charging lead-acid batteries:

i. Charger must be located as far from battery as cabling will permit

ii. Fluid level in each cell must be checked prior to charging

iii. Contact with battery acid must be avoided

1. (ii) and (iii) are correct
2. (i), (ii) and (iii) are correct
3. (i) and (iii) are correct
4. (i) and (ii) are correct

Correct Ans: B

QEE13.In a single phase 'm' level diode-clamped multilevel inverter, the voltage across each DC-link capacitor is given by ......................... where, \(V_{dc}\) is the DC-link voltage.

1. \(\frac{V_{DC}}{m+1}\)
2. \(mV_{DC}\)
3. \(\frac{V_{DC}}{m-1}\)
4. \(\frac{V_{DC}}{m}\)

Correct Ans: C

QEE14.In distribution SCADA system, the term 'DAC' stands for

1. Digital Acquisition and Control
2. Digital Automation and Control
3. Data Automation and Control
4. Distribution Automation and Control

Correct Ans: D

QEE15.A 1000 KVA transformer has an efficiency of 95% at full load and also at 60% of full load, both at unity power factor. Determine the efficiency of the transformer at 80% of full load and unity power factor

1. 92.15%
2. 95.15%
3. 97.15%
4. 93.15%

Correct Ans: B

QEE16.The……………...system produces the greatest magnitude of ground fault current when a fault to ground occurs.

1. Ungrounded
2. Solidly grounded
3. Reactance grounded
4. Resistance grounded

Correct Ans: B

QEE17.The minimum wind speed needed to start the turbine and to generate output power is called

1. rated wind speed
2. cut-out speed
3. cut-in speed
4. furling speed

Correct Ans: C

QEE18.Find the current \(I_{s}\) delivered by the voltage source in the circuit shown in Fig.

1. 2A
2. 4A
3. 6A
4. 8A

Correct Ans: C

QEE19.The potential transformers (PTs) are used to extend the range of………………..

1. AC voltmeters only
2. DC voltmeters only
3. both AC and DC ammeters
4. both AC and DC voltmeters

Correct Ans: A

QEE20.A 1200/5, C400 CT is connected on the 1000/5 tap. What is the maximum secondary burden that can be used and still maintain rated accuracy at 20 times rated symmetrical secondary current?

1. 0.3 \(\Omega\)
2. 3.33 \(\Omega\)
3. 0.2 \(\Omega\)
4. 4.8 \(\Omega\)

Correct Ans: B

QEE21.The location of series capacitor depends on _____________________

1. the degree of compensation only
2. the characteristic of the line only
3. both the degree of compensation and the characteristic of the line
4. none of the above

Correct Ans: C

QEE22.As per IS, for IDMT relays for the highest TMS and PSM between 4 to 20, the permissible deviation from the declared time by the manufacturer shall be within

1. 7.50%
2. 10.50%
3. 12.50%
4. 4%

Correct Ans: A

QEE23.Optical fiber cable is ....................... and has ............ bandwidth capability.

1. metallic, high
2. metallic, low
3. non-metallic, low
4. non-metallic, high

Correct Ans: D

QEE24.A 3-phase star/delta connected transformer having a line voltage ratio of 400 V/33000 V is provided with Merz-Price circulating-current protection. The CT on 400 V side have a current ratio 1000/5. What should be the CT ratio on 33000 V side? Assume that the line current on 400 V side is 1000 A.

1. \(7:5\)
2. \(5\sqrt{3}:7\)
3. \(5:7\)
4. \(7\sqrt{3}:5\)

Correct Ans: A

QEE25.The isolator cannot be opened unless the associated circuit breaker (CB) is .................. and the CB shall ............... only after all the isolators associated have been closed.

1. close, open
2. open, open
3. open, close
4. close, close

Correct Ans: C

QEE26.Gas insulated substation (GIS) offers most economic solutions for

1. An urban and industrial area where space is constraint and pollution is a problem.
2. Mountainous areas where site preparation, altitude, snow and ice are major problems.
3. Coastal areas where pollution problems associated with salt are unavoidable.
4. All of the above

Correct Ans: D

QEE27.Consider the following statements and choose the correct option.

Statement 1: A purely reactive compensator can eliminate voltage variations caused by changes in both the real and reactive power of the load.

Statement 2: A purely reactive compensator cannot maintain both constant voltage and unity power factor at the same time.

1. Both Statement 1 and Statement 2 are FALSE
2. Statement 1 is FALSE and Statement 2 is TRUE
3. Statement 1 is TRUE and Statement 2 is FALSE
4. Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE28.Consider the parallel connection of batteries as shown in Fig. The total energy storage is

1. 3600 Wh
2. 1200 Wh
3. 2400 Wh
4. 4800 Wh

Correct Ans: D

QEE29._____ generally contain circuit overcurrent devices rated at more than 30 A to protect subfeeders that extend to smaller branch-circuit panelboards.

1. Service equipment panelboards
2. Power Distribution Panels
3. Feeder Distribution Panels
4. All of the above

Correct Ans: C

QEE30.In the magneto-optical current transformer (MOCT), the polarization rotation angle is

1. directly proportional to square of the current enclosed
2. directly proportional to the current enclosed
3. inversely proportional to square of the current enclosed
4. inversely proportional to the current enclosed

Correct Ans: B

QEE31.According to IE-1957, the minimum vertical clearance between 66 kV electrical line and railway track is about

1. 7 meter
2. 10 meter
3. 14 meter
4. 18 meter

Correct Ans: C

QEE32.The term "ETAP" in ETAP software tool used by power systems engineers stands for ............

1. Electrical Transmission Analyzer Program
2. Electronic Transmission Analyzer Program
3. Electronic Transient Analyzer Program
4. Electrical Transient Analyzer Program

Correct Ans: D

QEE33.Consider the following statements and choose the correct option.

Statement 1: National Electric Code (NEC) requires bending radius clearance for incoming and outgoing power connections to insure the installing electrician has adequate room to make their power connections.

Statement 2: Underwriters Laboratories (UL) requires manufacturer recommended clearance for heat producing devices to insure for adequate room for ventilation.

1. Statement 1 is TRUE and Statement 2 is FALSE
2. Both Statement 1 and Statement 2 are FALSE
3. Statement 1 is FALSE and Statement 2 is TRUE
4. Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE34.MHO relay is a ................ relay and is normally used for the protection of ................

1. high-speed, transformer
2. high-speed, transmission line
3. slow-speed, transmission line
4. slow-speed, transformer

Correct Ans: B

QEE35.Which one of the following statements is TRUE?

1. Numerical protective system require significantly more panel space than the space required by electromechanical/static systems that provide similar functions.
2. Numerical relays does not have the ability to perform self-monitoring and self-testing functions, which were available in electromechanical/static relays.
3. The cost per function of numerical relays is higher compared to the cost of their electromechanical and static counterparts.
4. Numerical relays place significantly less burden on instrument transformers than the burden placed by electromechanical/static relays

Correct Ans: D

QEE36.Differential relay is used for the protection of various equipments such as generators, transformers, induction motors, busbars against

1. Overloads
2. Short Circuits
3. Internal Faults
4. External Faults

Correct Ans: C

QEE37.Calculate the protection trip time of the inverse definite minimum time (IDMT) overcurrent relay, according to IEC 60255 protection curves. Assume extremely inverse curve type, relay pickup current = 1kA, fault current = 10 kA and time-multiplier setting (TMS) = 1.

1. 0.408 s
2. 0.208 s
3. 0.808 s
4. 1.08 s

Correct Ans: C

QEE38.Consider the following statements and choose the correct option.

Statement 1: Abstraction enables the key benefit of cloud computing: shared, ubiquitous access.

Statement 2: All cloud computing applications combine their resources into pools that can be assigned on demand to users.

1. Statement 1 is TRUE and Statement 2 is FALSE
2. Both Statement 1 and Statement 2 are TRUE
3. Statement 1 is FALSE and Statement 2 is TRUE
4. Both Statement 1 and Statement 2 are FALSE

Correct Ans: A

QEE39.A string insulator has 5 units. The voltage across the bottom most unit is 25% of total voltage. Its string efficiency is

1. 20%
2. 50%
3. 80%
4. 65%

Correct Ans: C

QEE40.The solar cell short-circuit current generally depends on the

1. area of the solar cell
2. collection probability of the solar cell
3. absorption and reflection of the solar cell
4. all of the above

Correct Ans: D

QEE41.Determine the discharge time and average current output of a battery with a capacity rating of 1000 mAh if it is discharged at 1 C.

1. 2 hours, 1000 mA
2. 1 hour, 1000 mA
3. 1 hour, 100 mA
4. 2 hours, 100 mA

Correct Ans: B

QEE42.A Single line diagram of a power system is shown in Fig. A non-diagonal elements of the \(Z_{bus}\) matrix are

1. \(Z_{12}=Z_{21}=j0.2\:pu\)
2. \(Z_{12}=Z_{21}=j0.5\:pu\)
3. \(Z_{12}=Z_{21}=j0.3\:pu\)
4. \(Z_{12}=Z_{21}=j0.4\:pu\)

Correct Ans: A

QEE43.Which one of the following statements about the ferranti effect is TRUE?

1. Receiving end current becomes more than sending end current
2. Receiving end power becomes more than sending end power
3. Receiving end frequency becomes more than sending end frequency
4. Receiving end voltage becomes more than sending end voltage

Correct Ans: D

QEE44.Consider the power system network shown in Figure with generator voltage E and infinite bus voltage V. Generator reactance and terminal voltages are given as: \(X_{d^{'}}=0.2 pu \) and \(V_t=1 \: pu\). Transformer reactance is \(0.1 \:pu\). Infinite bus voltage, V is \(1.0\:pu\). Generator is feeding \(1.0\:pu\) power to the infinite bus. Calculate the maximum steady-state power that can be transferred when the three-phase fault occurs at the point 'P'.

1. \(1.5\:pu\)
2. \(0.4\:pu\)
3. \(2.1\:pu\)
4. \(0.8\:pu\)

Correct Ans: Correct answer is not mathced with above options

QEE45.In a power system with negligible resistance, the fault current at a point is 10 p.u. The series reactance to be included at the fault point to limit the short-circuit current to 4 p.u. is

1. \(6.67\:pu\)
2. \(1.67\:pu\)
3. \(0.51\:pu\)
4. \(0.15\:pu\)

Correct Ans: D

QEE46.In the context of cyber security, the term "TCP/IP" stands for_____

1. Transmission Control Protocol / internet protocol
2. Transaction Control protocol / intranet protocol
3. Transmission Contribution protocol / internet protocol
4. Transfer Control Protocol / intranet protocol

Correct Ans: A

QEE47.Consider the following statements and choose the correct option.

Statement 1: A nickel–cadmium battery is not rechargeable and is classified as hazardous.

Statement 2: An alkaline manganese battery is used in torches and is classified as hazardous.

1. Statement 1 is FALSE and Statement 2 is TRUE
2. Statement 1 is TRUE and Statement 2 is FALSE
3. Both Statement 1 and Statement 2 are TRUE
4. Both Statement 1 and Statement 2 are FALSE

Correct Ans: D

QEE48.What is the minimum distance workers must maintain between conductive materials and overhead power lines up to 50 kV?

1. 20 feet
2. 30 feet
3. 40 feet
4. 10 feet

Correct Ans: D

QEE49.The best location of installing capacitor bank to reduce the electricity distribution losses to the maximum extent is at

1. main sub-station bus bars
2. motor terminals
3. motor control centre
4. distribution board bus bars

Correct Ans: B

QEE50.Nickel-iron cell has ............... weight and ................. life than that of a lead-acid cell.

1. less, longer
2. more, longer
3. less, shorter
4. more, shorter

Correct Ans: A

QEE51.In a lead-acid battery, the energy is stored in the form of ………

1. charged ions
2. electrostatic energy
3. chemical energy
4. electromagnetic energy

Correct Ans: C

QEE52.The series compensator is functionally a controlled...................... source connected in series with the transmission line to control its ............

1. voltage, voltage
2. current, voltage
3. current, current
4. voltage,current

Correct Ans: D

QEE53.If the voltage applied to the core and sheath of a cable is halved, the reactive power generated by the cable will be ............ times of the original value.

1. \(\frac{1}{4}\)
2. 4
3. \(\frac{1}{2}\)
4. 2

Correct Ans: A

QEE54.According to IS802:1995, the small angle towers with tension string can be used for line deviation from

1. \(0^\circ to\:15^\circ\)
2. \(30^\circ to\:60^\circ\)
3. \(15^\circ to\:30^\circ\)
4. \(60^\circ to\:90^\circ\)

Correct Ans: A

QEE55.A photovoltaic panel has five modules connected in series, each module having an opencircuit voltage (\(V_{oc}\)) of 12 V and shortcircuit current (\(I_{sc}\)) of 2A. What should be the voltage axis intercept of the IV characteristics of the series system?

1. 6 V
2. 12 V
3. 2.4 V
4. 60 V

Correct Ans: D

QEE56.Consider the following statements and choose the correct option.

Statement 1: Biomass is a renewable source of energy, derived from burning animal and plant waste.

Statement 2: When you burn wood to generate heat in your house, you are using biomass energy.

1. Statement 1 is TRUE and Statement 2 is FALSE
2. Both Statement 1 and Statement 2 are FALSE
3. Statement 1 is FALSE and Statement 2 is TRUE
4. Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE57.……………..cables encase the optical fibres within the earth wire which is used to carry fault currents and to provide shielding from lightning.

1. Optical ground wire
2. Wrap-on or lashed
3. ADSS
4. None of the above

Correct Ans: A

QEE58...................... refers to the interface required for exchanges between the master station and the operators or users of the SCADA system.

1. Master Station
2. Remote Terminal Units
3. Human-Machine Interface
4. Communication System

Correct Ans: C

QEE59.An alternator is supplying a load of 500 kW at a p.f of 0.5 lagging. If the power factor is raised to unity, how many more kW can alternator supply for the same kVA loading?

1. 500 kW
2. 1000 kW
3. 250 kW
4. 750 kW

Correct Ans: A

QEE60.Two regional systems - 1 and - 2, each having several synchronous generators and loads are inter-connected by an AC line and HVDC link as shown in the Fig. Which of the following statements is true in the steady state?

1. Both regions need not have the same frequency
2. The total power flow between the regions \((P_{ac} + P_{dc})\) can be changed by controlling the HVDC converters alone
3. The power sharing between the ac line and the HVDC link can be changed by controlling the HVDC converters alone.
4. The direction of power flow in the HVDC link \((P_{dc})\) cannot be reversed

Correct Ans: C

QCK1.Which among the following is not a valid type of System calls used in Operating System?

1. Process control
2. Access control
3. Device management
4. File management

Correct Ans: B

QCK2._________ is a family of standards specified by the IEEE Computer Society for maintaining compatibility
between operating systems.

1. BIOS
2. POSIX
3. RIOP
4. PREFIX

Correct Ans: B

QCK3.When selecting the ______________menu in the formulas tab, it show arrows that indicate which cells
affect the value of the currently selected cell.

1. Consolidate
2. Trace Dependents
3. Flash Fill
4. Trace Precedents

Correct Ans: D

QCK4.The OSI layer in networking that deals with the serial transfer of data is _____________ layer.

1. Network
2. Physical
3. Virtual
4. Session

Correct Ans: B

QCK5._________ is the way for an attacker to execute a short piece of machine code on a remote machine,
thus compromising it and these attacks are due to an implementation flaw.

1. Christmas Day attack
2. The stack buffer overflow
3. Code Instruction Phase
4. Morris Worm

Correct Ans: B

QCK6.__________ was the first computer that used the Vacuum tube technology.

1. IBM 650
2. PDP
3. ENIAC
4. Honeywell 600

Correct Ans: C

QCK7._________ view is ideal for focusing on the words in a presentation, while you try to enter or read text.

1. Notes view
2. Outline View
3. Slide sorter view
4. Online View

Correct Ans: B

QCK8.PDA is one of the famous hand held devices used by business professionals, what does PDA stand for ?

1. Personal Display Assistant
2. Programming Digital Assistant
3. Public Demo Assistant
4. Personal Digital Assistant

Correct Ans: D

QCK9.In computer memory design, ___________ can configure a cluster of microprocessors in a
multiprocessing system, thereby improving performance and expanding system capabilities.

1. FUMA
2. NCPU
3. SMPA
4. NUMA

Correct Ans: D

QCK10.When given custom colors for formatting background __________ color option will give you a mixture of different colors with the colors blending into one another

1. Gradient
2. Picture
3. Table
4. Solid

Correct Ans: A

QEK1.From the given alternatives, choose the one that best expresses the meaning of the given idiom/phrase. Over and above.

1. Partner of someone
2. From a different point of view
3. In addition to
4. With absolute certainty

Correct Ans: C

QEK2.Fill in the blanks with suitable Article from the given alternatives.

Jane gave ___________ extraordinary performance in the singing competition.

1. an
2. a
3. the
4. no article

Correct Ans: A

QEK3.Choose the word which best expresses the similar meaning of the given word " CONFRONT ".

1. Yield
2. Challenge
3. Avoid
4. Dodge

Correct Ans: B

QEK4.Choose the best option from the given alternatives which can be substituted for the given word/sentence.
One who journeys from place to place

1. Polygamy
2. Itinerant
3. Amphibian
4. Teetotaller

Correct Ans: B

QEK5.Fill in the blanks with suitable Preposition from the given alternatives.

Vijay was just going to the walk__________ the street.

1. beneath
2. to
3. across
4. since

Correct Ans: C

QEK6.Find the word which is correctly spelt from the given options.

1. Eroneous
2. Gradiant
3. Fragmanted
4. Exhaustive

Correct Ans: D

QEK7.Choose the best option from the given alternatives which can be substituted for the given word/sentence.

A person who looks at the darker side of things

1. Optimist
2. Pessimist
3. Somnambulist
4. Amnesia

Correct Ans: B

QEK8.Choose the word which expresses nearly the opposite meaning of the given word " DEFAMATION".

1. Lie
2. Detraction
3. slam
4. Approval

Correct Ans: D

QEK9.Replace the underlined phrase grammatically and conceptually with the help of the given options. If the given sentence is correct then select the option 'The given sentence is correct'.

The economic problem <u><span class="color_blue">of farmers on Africa are a dismal one which has</span></u> caused many of them to lose their livelihood.

1. of farmers in Africa are a dismal one which have
2. of farmers in Africa is a dismal one which has
3. of farmers in Africa are a dismal one what has
4. The given sentence is correct

Correct Ans: B

QEK10.Choose the word which best expresses the similar meaning of the given word " INTERIM ".

1. Advantage
2. Permanent
3. Acting
4. Continual

Correct Ans: C

QGK1.What is the full form of "ASEAN"?

1. ASSOCIATION OF SOUTH EAST ASIAN NATIONS
2. ASSOCIATION OF SOUTH EAST ATLANTIC NATIONS
3. ASSOCIATION OF SOUTH EAST AFRICAN NATIONS
4. ASSOCIATION OF SOUTH EAST AMERICAN NATIONS

Correct Ans: A

QGK2.What is the process of heat transfer in solids known as?

1. Radiation
2. Conduction
3. Convection
4. Insulation

Correct Ans: B

QGK3.Which among the following Acts was regarded as Montagu-Chelmsford Reforms?

1. Indian Council Act,1892
2. Government of India Act, 1919
3. Government of India Act, 1935
4. Indian Council Act,1861

Correct Ans: B

QGK4.What is the expansion of LTE in communication technology?

1. Latest Technology Evolution
2. Long Technology Evolution
3. Latest Technology Enrichment
4. Long Term Evolution

Correct Ans: D

QGK5.Which of the following States experience Continental climate?

1. Odisha
2. West Bengal
3. Kerala
4. Haryana

Correct Ans: D

QGK6.When the first Municipal Corporation of India was established?

1. 1688
2. 1988
3. 1998
4. 1788

Correct Ans: A

QGK7.In which year was the Fiscal Responsibility and Budget Management Act formulated?

1. 2005
2. 2003
3. 2009
4. 2007

Correct Ans: B

QGK8.Which among the following African countries has celebrated its 60th Independence Day on 01st Oct,2020?

1. Nigeria
2. South Africa
3. Zimbabwe
4. Egypt

Correct Ans: A

QGK9.Who captivated the Gudem rebels of Andhra Pradesh claiming that he had special powers and could survive bullet shots too?

1. Sarojini Naidu
2. Kalluri Chandramouli
3. Alluri Sitaram Raju
4. Gottipati Brahmaiah

Correct Ans: C

QGK10.Who founded the Tattvabodhini Sabha in 1839?

1. Rabindranath Tagore
2. Debendranath Tagore
3. Surendranath Tagore
4. Abindranath Tagore

Correct Ans: B

QGL1.નીચેના વાકયમાં કયા ભાગમાં ભૂલ છે તે જણાવો.

તમારી ભૂલ પ્રત્યે હું તમારું લક્ષ્ય દોરું છું.

1. ભૂલ
2. પ્રત્યે
3. દોરું છું
4. લક્ષ્ય

Correct Ans: D

QGL2.નિયમિત સમયગાળે પ્રગટ થતાં પત્ર ને એક શબ્દ માં શું કહેવાય છે?

1. અહેવાલ
2. સામયિક
3. દૈનિક પત્ર
4. વૃતાંત

Correct Ans: B

QGL3."પાણી" નો કયો એક અર્થ સાચો નથી ?

1. હાથ
2. વટ
3. શૂરાતન
4. જળ

Correct Ans: A

QGL4.આપેલા વિકલ્પોમાંથી કઈ રચના પ્રેરક નથી?

1. તેણે ભાઈ પાસે લખાવ્યું
2. શિક્ષકે તેને ઊઠબેસ કરાવી
3. મારાથી બોલી જવાયું
4. શેઠ કામ કરાવે છે

Correct Ans: B

QGL5.આપેલા વિકલ્પોમાં એક તળપદો શબ્દ છે તે શોધો.

1. ટપલી
2. ફોડ
3. રકઝક
4. દુગ્ધ

Correct Ans: B

QGL6.આપેલા વિકલ્પોમાં કયું વિરુદ્ધાર્થી જોડકું ખોટું છે?

1. વિસ્તૃત X સંક્ષિપ્ત
2. વ્યર્થ X સાર્થક
3. સાન્ત X અશાંત
4. સંધિ X વિગ્રહ

Correct Ans: C

QGL7.પદક્રમ ગોઠવી યોગ્ય વાકય રચો.

પૂરો ઉનાળો થતા દિવસો આવ્યા ચોમાસાના

1. પૂરો ઉનાળો થતા ચોમાસાના આવ્યા દિવસો
2. પૂરો ઉનાળો થતા આવ્યા દિવસો ચોમાસાના
3. ઉનાળો પૂરો થતા ચોમાસાના આવ્યા દિવસો
4. ઉનાળો પૂરો થતા ચોમાસાના દિવસો આવ્યા

Correct Ans: D

QGL8.ધાતુના વાસણો બનાવનાર અને વેચનારને શું કહેવાય છે?

1. કંસારો
2. કોઠારી
3. લુહાર
4. મણિયાર

Correct Ans: A

QGL9.નીચે આપેલા વાક્યોમાંથી સંકુલ વાક્ય બનાવો.

- તમે કશું કહેશો નહી

- તમને કોઇ ગણશે નહી

1. તમે કશુ કહેશો નહિ અથવા તમને કોઈ ગણશે નહિ
2. તમે કશુ કહેશો નહિ છતાં તમને કોઈ ગણશે નહિ
3. જો તમે કશુ કહેશો નહિ તો તમને કોઈ ગણશે નહિ
4. તમે કશું કહેશો નહિ પણ તમને કોઇ ગણશે નહિ

Correct Ans: C

QGL10.આપેલા વિકલ્પોમાંથી ઉપમા અલંકારનું વાકય કયું છે?

1. હુ સંસારસાગરમાં ડૂબી ગયો
2. હૈયું જાણે હિમાલય
3. ગાંધીજી તે ગાંધીજી
4. દમયંતીનું મુખ ચંદ્ર જેવુ છે

Correct Ans: D

No Data available.

QGL1.આપેલા વાક્યો માંથી કર્તરિ વાક્ય કયું છે?

1. દરેક જણથી નમસ્કાર કરાયા
2. તેનાથી બોલાઈ જવાયું
3. મહારાજથી ખૂશ થઈ જવાયું
4. વિદ્યાર્થીઓ વર્ગમાંથી સીધા મેદાનમાં ગયા

Correct Ans: D

QGL2."સંચય"નો વિરોધી અર્થ આપો.

1. બચત
2. વ્યય
3. સંગ્રહ
4. જમા

Correct Ans: B

QGL3.માધવ ક્યાંય નથી મધુવનમાં' સાહિત્યકૃતિના લેખક કોણ છે?

1. હરિન્દ્ર દવે
2. મકરંદ દવે
3. જ્યોતિન્દ્ર દવે
4. જયેન્દ્ર દવે

Correct Ans: A

QGL4.આપેલા વિકલ્પોમાંથી દ્રીરુક્ત શબ્દો શોધો.

1. રણઝણ
2. ગામેગામ
3. છનનન
4. ટમટમ

Correct Ans: B

QGL5.જોડણી અથવા અનુસ્વારની રીતે વાક્યની શુદ્ધતા ચકાસો.

1. માબાપની મિલકત તેમના સંતાનો ભોગવેછે.

2. આરતીમાં હુ અચૂક હાજર હોઉ છુ.

1. વાક્ય 1 અને વાક્ય 2 બંને સાચા છે
2. વાક્ય 1 ખોટું અને વાક્ય 2 સાચું છે
3. વાક્ય 1 અને વાક્ય 2 બંને ખોટા છે
4. વાક્ય 1 સાચું અને વાક્ય 2 ખોટું છે

Correct Ans: D

QGL6."નિશા" માટે કયા બે સમાનર્થી શબ્દો સાચા છે?

1. શિલા, કોકિલા
2. શર્વરી, રજની
3. ધરા, ક્ષિતિ
4. ચેતના, મેધા

Correct Ans: B

QGL7."નાની અમથી વાતનું મોટુ સ્વરુપ આપુંવું'. આ માટે વપરાતા રૂઢિપ્રયોગોમાં એક અયોગ્ય છે તે શોધો .

1. રુજનું ગજ કરવું
2. રાઈનો પર્વત કરવો
3. વાતોનાં વડા કરવાં
4. વાતનું વતેસર કરવું

Correct Ans: C

QGL8.નીચેના વાક્યોના પ્રકાર ઓળખો

1. મરાથી આ કલ્પાંત સહન થતું નથી

2. મરાથી હવે બોલાતું નથી .

1. વાક્ય 1 અને વાક્ય 2 બંને કર્મણિ છે
2. વાક્ય 1 કર્મણિ અને વાક્ય 2 ભાવે છે
3. વાક્ય 1 કર્મણિ અને વાક્ય 2 કર્તરિ છે
4. વાક્ય 1 અને વાક્ય 2 બંને ભાવે છે

Correct Ans: B

QGL9.નીચેના વાક્યો ઓળખાવો

1. વર્ગમાં ખવાય નહિ.

2. તારે આટલું ખાવું જ પડશે.

1. વાક્ય 1 અને વાક્ય 2 બંને આાજ્ઞાર્થ વાક્ય છે
2. વાક્ય 1 અને વાક્ય 2 બંને પ્રેરક વાક્ય છે
3. વાક્ય 1 અને વાક્ય બંને વિધાન વાક્ય છે
4. વાક્ય 1 અને વિધાન અને વાક્ય 2 આાજ્ઞાર્થ વાક્ય છે

Correct Ans: D

QGL10.નીચેના વાક્યમાં ક્યાં ભૂલ છે તે શોધો

પારૂલે બટાટા અને ડુંગળી ખરીદી.

1. પારૂલે
2. બટાટા
3. ડુંગળી
4. ખરીદી

Correct Ans: D

QGK1.Which among the following taxes is termed as the 'Destination based Tax'?

1. Sales Tax
2. Goods and Services Tax
3. Excise Duty
4. Corporate Tax

Correct Ans: B

QGK2.In which year Project Tiger was launched?

1. 1973
2. 1999
3. 1992
4. 1986

Correct Ans: A

QGK3.Which of the following countries withdrew from the European Union in January 2020?

1. France
2. Croatia
3. Luxembourg
4. United Kingdom

Correct Ans: D

QGK4.What is the expansion of RLV in Space Technology?

1. Reliable Long Vehicle
2. Reusable Launch Vehicle
3. Reliable Launch Vehicle
4. Reusable Long Vehicle

Correct Ans: B

QGK5."Cantonment Boards" functions under the administrative control of:

1. Union Ministry of Home
2. Union Ministry of Defence
3. Union Ministry of Rural Development
4. Union Ministry of Housing and Urban Affairs

Correct Ans: B

QGK6.The virtual festival ‘Parampara Series 2020-National Festival of Music and Dance’ was organized by Natya Tarangini in partnership with the _________.

1. World Bank
2. Asian Development Bank
3. International Monetary Fund
4. United Nations

Correct Ans: D

QGK7.Who moved the historic 'Objectives Resolution' in the Constituent Assembly on 13 December 1946?

1. Mahatma Gandhi
2. Sardar Vallabhbhai Pate
3. M.N. Roy
4. Jawaharlal Nehru

Correct Ans: D

QGK8.What is the reaction between an acid and a base known as?

1. Neutralisation reaction
2. Pericyclic reaction
3. Substitution reaction
4. Photochemical reaction

Correct Ans: A

QGK9.In which year did the Simon Commission arrive in India?

1. 1929
2. 1931
3. 1928
4. 1930

Correct Ans: C

QGK10.Who founded the All India Harijan Sangh in 1932?

1. Dr. B.R. Ambedkar
2. Sree Narayana Guru
3. Jyotiba Phule
4. Mahatma Gandhi

Correct Ans: D

QEK1.Fill in the blanks with suitable Preposition from the given alternatives.

She sits ___________ me in the examination hall.

1. behind
2. above
3. in
4. besides

Correct Ans: A

QEK2.Choose the best option from the given alternatives which can be substituted for the given
word/sentence.

A person who does not want to see realities of life and tries to escape.

1. Escapist
2. Arsenal
3. Curator
4. Decanter

Correct Ans: A

QEK3.Choose the word which expresses nearly the opposite meaning of the given word

"ENTHRALLED"

1. Beguiled
2. Charmed
3. Absorbed
4. Repelled

Correct Ans: D

QEK4.Choose the best option from the given alternatives which can be substituted for the given
word/sentence.

Fit to be chosen

1. Eligible
2. Invincible
3. Legible
4. Trackable

Correct Ans: A

QEK5.Choose the word which best expresses the similar meaning of the given word

"PLUNGE"

1. Ascent
2. Fall
3. Rise
4. Rough

Correct Ans: B

QEK6.From the given alternatives, choose the one that best expresses the meaning of the given idiom/phrase.

The smell of an oily rag.

1. A slim or frugal amount
2. To arrive at an event
3. To accept a challenge
4. To stay confident and positive

Correct Ans: A

QEK7.Choose the word which best expresses the similar meaning of the given word

"PROFOUND"

1. Superficial
2. Moderate
3. Intellectual
4. Ignorant

Correct Ans: C

QEK8.Replace the underlined phrase grammatically and conceptually with the help of the given options.

If the given sentence is correct then select the option 'The given sentence is correct'.

Prakash \(\mathbf{\underline{employed\:a\:staff\:to\:help\:him}}\) comprehend the intricacy of calculus.

1. employed an staff to help him
2. The given sentence is correct
3. employed a staff for help him
4. employ a staff to help him

Correct Ans: B

QEK9.Find the word which is correctly spelt from the given options.

1. Documant
2. Fragile
3. Imaterial
4. Emanicipate

Correct Ans: B

QEK10.Fill in the blanks with suitable Article from the given alternatives.

Did you sleep well __________ last night?

1. a
2. the
3. No article
4. an

Correct Ans: C

QEE1.The total load on any overcurrent device located in a panelboard shall not exceed ____ of its rating if in normal operation the load will be continuous.

1. 80%
2. 50%
3. 125%
4. 100%

Correct Ans: A

QEE2.Which one of the following actions will occur during the discharging of the lead-acid storage battery?

1. acid becomes stronger
2. acid becomes weaker
3. hydrogen gas is liberated
4. both plates chemically change to ammonium
   chloride

Correct Ans: B

QEE3.Which of the following is the first generation FACTS device?

1. Unified Power Flow Controller (UPFC)
2. Static Synchronous Compensator
   (STATCOM)
3. Static VAR Compensator (SVC)
4. Interline Power Flow Controller(IPFC)

Correct Ans: C

QEE4.A two blade wind turbine produces maximum power when the tip-speed ratio is approximately equal to

1. \(2\pi\)
2. \(\pi\)
3. 0.593
4. \(6\pi\)

Correct Ans: A

QEE5.Earthing is used to give protection against ........................

1. Danger of electric shock
2. Overloading
3. Voltage fluctuation
4. High temperature of the conductors

Correct Ans: A

QEE6.Which of the following is a type of a valve regulated lead–acid (VRLA) battery?

1. Nickel-cadmium batteries
2. Primary cell batteries
3. Dry cell batteries
4. Absorbed glass mat (AGM) batteries

Correct Ans: D

QEE7.Calculate the protection trip time of the inverse definite minimum time (IDMT) overcurrent relay, according to IEC 60255 protection curves. Assume very inverse curve type, relay pickup current = 1kA, fault current = 10 kA and time-multiplier setting (TMS) = 1.

1. 2.1 s
2. 0.5 s
3. 0.8 s
4. 1.5 s

Correct Ans: D

QEE8.Match the following:


\(\mathbf{Relay}\):

(A) Mho relay

(B) Reactance relay

(C) Impedance relay


\(\mathbf{Protection}\):

(i) Short transmission line

(ii) Medium transmission line

(iii) Long transmission line

1. (A)-(ii); (B)-(iii) and (C)-(i)
2. (A)-(i); (B)-(iii) and (C)-(ii)
3. (A)-(iii); (B)-(i) and (C)-(ii)
4. (A)-(iii); (B)-(ii) and (C)-(i)

Correct Ans: C

QEE9.In SCADA applications, the term " TCP/IP " stands for

1. Transfer Control Protocol/Internet Protocol
2. Transmission Control Protocol/Internet
   Protocol
3. Transfer Control Protocol/Information
   Protocol
4. Transmission Control Protocol/Information
   Protocol

Correct Ans: B

QEE10.A photovoltaic panel has four modules connected in series, each module having an open circuit voltage \(V_{oc}\) of 12 V and short circuit current \(I_{sc}\) of 2A. What should be the current axis intercept of the IV characteristics of the series system?

1. 8 A
2. 0.5 A
3. 2 A
4. 4 A

Correct Ans: C

QEE11.Biomass are superior fuels because they are

1. oxygen cycle neutral
2. carbon cycle neutral
3. hydrogen cycle neutral
4. nitrogen cycle neutral

Correct Ans: B

QEE12.The potential transformer (PT) is used to increse the range of .............. whereas, the current transformer (CT)is used to increase the range of ..............

1. DC voltmeter and DC ammeter
2. AC voltmeter and AC ammeter
3. DC voltmeter and AC ammeter
4. AC voltmeter and DC ammeter

Correct Ans: B

QEE13.The relay in protection scheme works as a

1. Breaking Device
2. Alarm Device
3. Switching Device
4. Sensing Device

Correct Ans: D

QEE14.According to IE-1957, the minimum clearance between 400 kV and 220 kV electrical lines crossing each other is .............

1. 3.05 meter
2. 4.58 meter
3. 5.49 meter
4. 7.94 meter

Correct Ans: C

QEE15.In a single phase flying-capacitor multilevel inverter, the number of balancing capacitor required to construct 'm' level is

1. \(\frac{(m-1)(m-2)}{2}\)
2. \(\frac{(m-2)}{2}\)
3. \(\frac{(m-1)}{2}\)
4. \(2(m-1)\)

Correct Ans: A

QEE16.Optical fiber cables are immue to

1. radio frequency interferen ce only
2. neither electromagnetic interference nor radio frequency interference
3. electromagnetic interference only
4. both electromagnetic interference and radio frequency interference

Correct Ans: D

QEE17.Pick out the WRONG statement.

1. The insulation of the cable decreases with the increase in length of the insulation.
2. Solid type cables are considered unreliable beyond 66 kV because there is a danger of breakdown of insulation due to the presence of voids.
3. In cables, the thickness of the layer of insulation on the conductor depends upon the voltage.
4. The electrostatic stress in underground cables is minimum at the surface of the conductor and maximum at the surface of the sheath.

Correct Ans: D

QEE18.What is the recommended width of right of way (ROW) for the transmission line of 1200 kV?

1. 52 meters
2. 89 meters
3. 35 meters
4. 18 meters

Correct Ans: B

QEE19.Determine the discharge time and average current output of a battery with a capacity rating of 1000 mAh if it is discharged at 0.5 C.

1. 2 hours, 500 mA
2. 1 hour, 1000 mA
3. 1 hour, 750 mA
4. 1 hour, 500 mA

Correct Ans: A

QEE20.Consider tha power system network shown in Figure with generator voltage E and infinite bus voltage V. Generator reactance and terminal voltages are given as \(X_d^{'}=0.2\:p.u\) and \(X_t=1\:p.u\). Transformer reactance is 0.1 p.u. Infinite bus voltage is 1.0 p.u. Generator is feeding 1.0 p.u power to the infinite bus. Calculate the maximum steady-state power that can be transferred when one line removed as a consequence of fault.

1. 0.8 p.u
2. 0.4 p.u
3. 2.1 p.u
4. 1.5 p.u

Correct Ans: Correct answer is not mathced with above options

QEE21.A wind turbine with 1 m long blade revolves at 500 rpm. How far does the tip of the blade travel in 1 hr?

1. 377 km
2. 282.75 km
3. 94.25 km
4. 188.5 km

Correct Ans: D

QEE22.A 1000 kVA transformer has an efficiency of 95% at full load and also at 60% of full load, both at unity power factor. Determine the iorn loss (\(P_i\)) and copper loss (\(P_c\)).

1. (\(P_i\)) = 32.89 kW and (\(P_c\)) = 64.87 kW
2. (\(P_i\)) = 64.47 kW and (\(P_c\)) = 32.89 kW
3. (\(P_i\)) = 64.87 kW and (\(P_c\)) = 19.74 kW
4. (\(P_i\)) = 19.74 kW and (\(P_c\)) = 32.89 kW

Correct Ans: D

QEE23.consider an application where 4 batteries of 12V each are to be connected in series to achieve a 48V DC bus. If a resistive charge equalisation circuit is employed, then what is the loss in the charge equalisation circuit if 1 kΩ is applied across each battery?

1. 576 W
2. 0.144 W
3. 144 W
4. 0.576 W

Correct Ans: D

QEE24.According to IS802:1995, the large angle towers with tension string can be used for line deviation from

1. 0° to 30°
2. 60° to 90°
3. 30° to 60°
4. 90° to 120°

Correct Ans: C

QEE25............. is employed for rocky soil earth bed where excavation work is difficult.

1. Strip earthing
2. Plate earthing
3. Pipe earthing
4. Rod earthing

Correct Ans: A

QEE26.In substation automation system, SCADA performs

1. bus voltage control
2. circulating current control
3. overload control
4. all of the above

Correct Ans: D

QEE27.As per IS, for IDMT relays for the highest TMS and PSM between 2 to 4, the permissible deviation from the declared time by the manufacturer shall be within

1. 12.5%
2. 10.5%
3. 7.5%
4. 4%

Correct Ans: A

QEE28.With reference to the optical fiber composite ground wire (OPGW) consider the following statements:

(i) This cable contains a tubular structure having one or more optical fiber and surrounded by layers of aluminium and steel wires.

(ii) In this cable, a layer of aluminium and steel wire s serves to connect the tower to the ground.
(iii) The optical fiber within the cable is used for the high speed data telemetry between the utilities or sold to some third parties for high speed fiber interconnection between the cities. Which of the statements given above are correct?

1. (i) and (ii) only
2. (ii) and (iii) only
3. (i) and (iii) only
4. All (i), (ii) and (iii)

Correct Ans: D

QEE29.The Ferranti effect will happen on the ..................... transmission line

1. full-loaded, short
2. unloaded, long
3. unloaded, short
4. full-loaded, long

Correct Ans: B

QEE30.According to IEEE C37.122, the tests included in high voltage gas insulted substation (GIS) routine tests are:

(i) Dielectric tests

(ii) Tightness tests

(iii) Measurement of the resistance of the main circuits

1. (i) and (ii) are correct
2. (ii) and (iii) are correct
3. (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: D

QEE31................... connected, fixed or mechanically switched ................. are applied to minimize the overvoltage under light load conditions.

1. Shunt, reactor
2. Shunt, capacitor
3. series, capacitor
4. None of the above

Correct Ans: A

QEE32.Individual protection is not required when two 400 A panelboards can be connected to the same feeder if the feeder overcurrent device is rated or set at

1. 600 A
2. 1200 A or more
3. 400 A or less
4. 800 A

Correct Ans: C

QEE33............... is a recently developed open source power system modeling and simulation tool by the Pacific Northwest National Laboratory.

1. MATLAB
2. ETAP
3. Power World Simulator
4. GridLAB-D

Correct Ans: D

QEE34.The shunt compensator is functionally a controlled reactive ...................... source connected in shunt on the transmission line to control its ............

1. voltage,current
2. voltage, voltage
3. current, voltage
4. current, current

Correct Ans: C

QEE35.In a power system with negligible resistance, the fault current at a point is 10 p.u. The series reactance to be included at the fault point to limit the short-circuit current to 5 p.u. is

1. 5 p.u
2. 10 p.u.
3. 0.1 p.u.
4. 0.5 p.u.

Correct Ans: C

QEE36.A 3-phase star/delta connected transformer having a line voltage ratio of 440 V/11 kV is provided with Merz-Price circulating current protection. The protection transformer on 440 V side has a current ratio of 500/5. What should be the ratio of the protection transformer connected on 11 kV side? Assume that the line current on 440 V side is 500 A.

1. \(5:\frac{20}{\sqrt{3}}\)
2. \(20:5\sqrt{3}\)
3. \(4:1\)
4. \(5:20\sqrt{3}\)

Correct Ans: B

QEE37.A single line diagram of a power system is shown in Fig. The elements of the \(Z_{bus}\) matrix are

1. \(Z_{bus}=\begin{bmatrix}j0.3&j0.2 \\j0.2&j0.3\end{bmatrix}\)
2. \(Z_{bus}=\begin{bmatrix}j0.3&j0.5 \\j0.5&j0.75\end{bmatrix}\)
3. \(Z_{bus}=\begin{bmatrix}j0.3&j0.2 \\j0.2&j0.5\end{bmatrix}\)
4. \(Z_{bus}=\begin{bmatrix}j0.3&j0.5 \\j0.5&j1.25\end{bmatrix}\)

Correct Ans: A

QEE38.A load is supplied by a 230 V, 50 Hz source. The active power P and the reactive power Q consumed by the load are such that 2 kW ≤ P ≤ 4 kW and 2 kVAR ≤ Q ≤ 4 kVAR. A capacitor connected across the load for power factor correction generates 2 kVAR reactive power. The worst case power factor after power factor correction is

1. 0.894 lag
2. 0.447 lag
3. Unity
4. 0.707 lag

Correct Ans: D

QEE39.A generator is rated 250 MVA, 22 kV. Its star connected winding has a reactance of j0.9 pu. Find the per unit of reactance of generator winding on the base of 1000 MVA, 33 kV.

1. j0.1 p.u.
2. j0.506 p.u.
3. j8.1 p.u.
4. j1.6 p.u.

Correct Ans: D

QEE40.Suspension type insulators are cheaper than pin type insulators for voltages beyond ......................

1. 132 kV
2. 11 kV
3. 6.6 kV
4. 33 kV

Correct Ans: D

QEE41.Which one of the following statements is TRUE?

1. Numerical relays place significantly more burden on instrument transformers than the burden placed by electromechanical/static relays
2. Numerical relays does not have the ability to perform self-monitoring and selftesting functions, which were available in electromechanical/static relays.
3. Numerical protective system require significantly less panel space than the space required by electromechanical/static systems that provide similar functions
4. The cost per function of numerical relays is higher compared to the cost of their electromechanical and static counterparts

Correct Ans: C

QEE42._______ is the practice and precautions taken to protect valuable information from unauthorised access, recording, disclosure or destruction.

1. Information Security
2. Network Security
3. Database Security
4. Physical Security

Correct Ans: A

QEE43.A 1200/5, C400 CT is connected on the 800/5 tap. What is the maximum secondary burden that can be used and still maintain rated accuracy at 18 times rated symmetrical secondary current?

1. 0.15\(\Omega\)
   
2. 6.66\(\Omega\)
3. 0.33\(\Omega\)
4. 2.96\(\Omega\)

Correct Ans: Correct answer is not mathced with above options

QEE44.The line tuner/coupling capacitor combination in power line carrier communication provides a ........... impedance path to the power line by forming a ............... Resonant circuit tuned to the carrier frequency.

1. low, parallel
2. high, series
3. high, parallel
4. low, series

Correct Ans: D

QEE45.Which of the following statements are TRUE?

(i) The isolators of the bus coupler shall operate only when the bus coupler is closed.

(ii) The earthing switch shall close only when the isolator is open.

(iii) The line isolator shall close only when the corresponding circuit breaker and the earthing switch are open.

1. (i) and (iii) only
2. (ii) and (iii) only
3. (i) and (ii) only
4. All (i), (ii) and (iii)

Correct Ans: B

QEE46.Optical fiber sensors are not immune to ________

1. ambient light interference
2. electronic disturbances
3. magnetic disturbances
4. electromagnetic disturbances

Correct Ans: A

QEE47.A gas insulated substation (GIS) is a ............ voltage substation with .......... gas as the insulating medium.

1. low, sulfur hexafluoride \(SF_6 \)
2. high, Nitrogen
3. low, Nitrogen
4. high, sulfur hexafluoride \(SF_6 \)

Correct Ans: D

QEE48.A purely reactive compensator can eliminate voltage variations caused by changes in…………….

1. the real power of the load only
2. the reactive power of the load only
3. both the real and reactive power of the load
4. None of the above

Correct Ans: C

QEE49.Voltage transformers are designed to have ..................leakage reactance and .................... Magnetizing reactance.

1. low, high
2. high,low
3. low, low
4. high, high

Correct Ans: A

QEE50.Consider the following statements and choose the correct option.

Statement 1: The specific gravity of the electrolyte in a lead-acid cell decreases as the charge in the cell decreases.

Statement 2: The energy density of lithium-ion is typically twice that of the standard nickel-cadmium cell.

1. Statement 1 is TRUE and Statement 2 is
   FALSE
2. Statement 1 is FALSE and Statement 2 is
   TRUE
3. Both Statement 1 and Statement 2 are
   FALSE
4. Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE51.Which of the following sentences about the bipolar DC links are correct?

(i) In a bipolar link, if grounding is provided at the rectifier end and is not provided at the inverter end, the currents in the two conductors are equal.
(ii) In a bipolar link, if grounding is provided at the inverter end and is not provided at the rectifier end, the currents in the two conductors are equal.
(iii) In a bipolar link, if grounding is provided at the rectifier end and is not provided at the inverter end, the currents in the two conductors are unequal.
(iv) In a bipolar link, if grounding is provided at the inverter end and is not provided at the rectifier end, the currents in the two conductors are unequal.

1. (i) and (iv) only
2. (ii) and (iii) only
3. (iii) and (iv) only
4. (i) and (ii) only

Correct Ans: D

QEE52.The requirements for the design of the line against lightning strokes are given below:

(i) The ground wires used for protection of transmission line should be mechanically strong and should be suitably located to provide the protection.

(ii) There must be sufficient clearance between power line conductors and ground wire for the given system voltage.

(iii) The footing resistance of the tower should be as high as possible and economically justifiable.

1. only (i) is correct
2. (i) and (ii) are correct
3. (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: B

QEE53.When the lead-acid batteries are charging, they always give off hydrogen gas that is

1. highly explosive
2. extremely toxic
3. heavier than air
4. considered inert

Correct Ans: A

QEE54.The leakage current path in solar cell is represented as_____________ in the equivalent circuit .

1. shunt resistance
2. current source
3. capacitor
4. series resistance

Correct Ans: A

QEE55.Determine the value of current I, in the circuit shown in Fig.

1. 2 A
2. 1 A
3. 3 A
4. 4 A

Correct Ans: A

QEE56.Cloud computing is an abstraction based on the notion of pooling physical resources and presenting them as a .............. resource.

1. Real
2. Virtual
3. Cloud
4. none of the above

Correct Ans: B

QEE57.An alternator is supplying a load of 600 kW at a p.f of 0.6 lagging. If the power factor is raised to unity, how many more kW can alternator supply for the same kVA loading?

1. 600 kW
2. 400 kW
3. 1200 kW
4. 200 kW

Correct Ans: B

QEE58.Battery capacity is measured in

1. Amperes
2. Ampere-hours
3. Volts
4. Watts

Correct Ans: B

QEE59.The factors governing the height of a tower are:

(i) Minimum permissible ground clearance

(ii) Maximum Sag

(iii) Vertical spacing between conductors

(iv) Vertical clearance between ground wire and top conductor

1. (i) and (ii) are correct
2. (i) and (iii) are correct
3. (i), (ii) and (iii) are correct
4. All (i), (ii), (iii) and (iv) are correct

Correct Ans: D

QEE60.If an energy meter disc makes 10 revolutions in 100 seconds when a load of 500 W is connected to it, the meter constant is

1. 820 rev/kWh
2. 920 rev/kWh
3. 720 rev/kWh
4. 620 rev/kWh

Correct Ans: C

QGL1.સંકુલ (મિશ્ર) વાક્ય બનાવવા માટે ક્યા સંયોજકોની જરૂર પડે?

1. જો...તો, જયારે...ત્યારે
2. કોઈ સંયોજકની જરૂર ન પડે
3. અને, અથવા, પણ
4. માટે, ને

Correct Ans: A

QGL2.આપેલા વિકલ્પોમાં વીરોધી શબ્દોનું કયું જોડકુ ખોટું છે?

1. અવેતન X સવેતન
2. યાચક X દાતા
3. પુરોગામી X અનુગામી
4. જંગમ X સંગમ

Correct Ans: D

QGL3."લાંબા જોડે ટૂંકો જાય, મરે નહિ તો માંદો થાય." આ વાક્યમાં કયો અલંકાર છે તે જણાવો.

1. શબ્દાનુપ્રાસ
2. અંત્યાનુપ્રાસ
3. વ્યતિરેક
4. ઉપમા

Correct Ans: B

QGL4.નીચેના વાક્યો સાચાં છે કે ખોટા તે જણાવો.

૧. દરેક માણસોએ સારું કામ કરવું જોઈએ.

૨. શાળામાં દરેક વિદ્યાર્થીને ઇનામ મળ્યું.

1. વાક્ય 1 ખોટું અને વાક્ય 2 સાચું છે
2. વાક્ય 1 અને વાક્ય 2 બંને સાચાં છે
3. વાક્ય 1 અને વાક્ય 2 બંને ખોટાં છે
4. વાક્ય 1 સાચું અને વાક્ય 2 ખોટું છે

Correct Ans: A

QGL5.તળપદી ભાષાના શબ્દ 'જોવનાઇ'નો અર્થ જણાવો.

1. ભવાઈ
2. જાણવા જેવું
3. જોવા જેવું
4. યુવાની

Correct Ans: D

QGL6.અહીં આપેલા શબ્દસમૂહોના એક શબ્દ પૈકી કયો વિકલ્પ સાચો નથી?

1. કળી ન શકાય એવું-અકળ
2. જે ગમતું ન હોય એવું-અગમ્ય
3. ઝટ સમજાય નહિ એવું-ગુઢ
4. કલ્પી ન શકાય એવું-અકલ્પ્ય

Correct Ans: B

QGL7."તું તો મારાથીય આગળ નીકળ ગઇ." આ વાક્યમાં ક્રીયાવિશેષણ કયું છે?

1. મારાથીય
2. તો
3. નીકળી
4. આગળ

Correct Ans: D

QGL8.આપેલા શબ્દોના અર્થભેદોનું કયું જોડકું ખોટું છે?

1. સત-સત્ય, શત-એકસો
2. શરત-હોડ, સરત-ધ્યાન
3. ચિર-લાંબુ, ચીરી-ચીરી, વસ્ત્ર
4. કૃતજ્ઞ-ઉપકારની કદર નહિ કરનાર, કૃત્દન-ઉપકારની કદર કરનાર

Correct Ans: D

QGL9.યોગ્ય રીતે પદક્રમ અનેપદસંવાદ ગોઠવીને વાક્ય બનાવો.

આકસ્મિક પિતાનું થતાં મૃત્યુ રડી પડ્યા ઘરના લોકો

1. પિતાનું આકસ્મિક મૃત્યુ થતાં ઘરના લોકો
   રડી પડ્યાં
2. આકસ્મિક પિતાનું મૃત્યુ થતાં ઘરના લોકો
   રડી પડ્યાં
3. આકસ્મિક પિતાનું થતાં મૃત્યુ ઘરના લોકો
   રડી પડ્યાં
4. આકસ્મિક મૃત્યુ પિતાનું થતાં ઘરના લોકો
   રડી પડ્યાં

Correct Ans: A

QGL10."અધિકાર" શબ્દનો કયો અર્થ થતો નથી?

1. હક
2. પાત્રતા
3. ફરજ
4. સત્તા

Correct Ans: C

QGK1.Where is the headquarters of National Thermal Power Corporation limited located?

1. Calcutta
2. Mumbai
3. Chennai
4. New Delhi

Correct Ans: D

QGK2.Where was the Ghadar Rebellion Party established by the Indian revolutionaries?

1. Turkey
2. Britain
3. USA
4. Ireland

Correct Ans: C

QGK3.What is the expansion of GTO in Space Science?

1. Geosynchronous Transfer Orbit
2. Global Telecommunication Orbit
3. Global Transfer Orbit
4. Geosynchronous Telecommunication Orbit

Correct Ans: A

QGK4.Who announced the vague offer of 'Dominion Status' for India in an unspecified future?

1. Lord Willingdon
2. Lord Reading
3. Viscount Wavell
4. Lord Irwin

Correct Ans: D

QGK5.In which year the term 'socialist' was added to the preamble of the Indian Constitution?

1. 1976
2. 1971
3. 1985
4. 1967

Correct Ans: A

QGK6.Luis Arce, has been elected as the new President of which among the following countries?

1. Bolivia
2. Colombia
3. Kenya
4. Argentina

Correct Ans: A

QGK7.The elements such as Boron, Silicon and Germanium are classified as _________.

1. Lanthanides
2. Actinides
3. Metalloids
4. Alkali metals

Correct Ans: C

QGK8.In which year was the Reserve Bank of India established?

1. 1947
2. 1950
3. 1935
4. 1932

Correct Ans: C

QGK9.In which state, Sambhar Salt Lake is located?

1. Rajasthan
2. Andhra pradesh
3. Odisha
4. Gujarat

Correct Ans: A

QGK10.Where was the first municipal corporation of India established?

1. Surat
2. Madras
3. Calcutta
4. Bombay

Correct Ans: B

QEK1.Fill in the blanks with suitable Article from the given alternatives.

I met ___________ European inside the park.

1. a
2. No Article
3. an
4. the

Correct Ans: A

QEK2.Replace the underlined phrase grammatically and conceptually with the help of the given options.

If the given sentence is correct then select the option 'The given sentence is correct'. Science is a very difficult subject, but my professor \(\mathbf{\underline{do\: a \:great \:job\: easing \:us}}\) by revealing some tricks in it.

1. have done a great job easing us
2. does a great job easing us
3. The given sentence is correct
4. had does a great job easing us

Correct Ans: B

QEK3.Fill in the blanks with suitable Preposition from the given alternatives.

The rain has been continuous _________ this afternoon.

1. since
2. at
3. over
4. against

Correct Ans: A

QEK4.Choose the word which best expresses the similar meaning of the given word

"SHUNNED".

1. Lock
2. Ignore
3. Accept
4. Cherish

Correct Ans: B

QEK5.Choose the word which expresses nearly the opposite meaning of the given word

" DESOLATE ".

1. Lonely
2. Empty
3. Full
4. Unused

Correct Ans: C

QEK6.Choose the word which best expresses the similar meaning of the given word

"IMPREGNABLE".

1. Firm
2. Calm
3. Breakable
4. Crazy

Correct Ans: A

QEK7.Choose the best option from the given alternatives which can be substituted for the
given word/sentence.

Code of diplomatic etiquette and precedence

1. Protocol
2. Secular
3. Sheath
4. Wardrobe

Correct Ans: A

QEK8.From the given alternatives, choose the one that best expresses the meaning of the given
idiom/phrase.

Rule out.

1. To exclude out something
2. To do something immediately
3. Someone who lacks intelligence
4. No manners

Correct Ans: A

QEK9.Find the word which is correctly spelt from the given options.

1. Reprimend
2. Infalible
3. Qualified
4. Inadible

Correct Ans: C

QEK10.Choose the best option from the given alternatives which can be substituted for the given word/sentence.

Strong dislike between two persons.

1. Telepathy
2. Antipathy
3. Sympathy
4. Apathy

Correct Ans: B

QEE1.Biomass gasifiers produce a combustible mixture of different gases called

1. combustion gas
2. mixed gas
3. internal gas
4. producer gas

Correct Ans: D

QEE2.Which one of the following technologies works behind the cloud computing platform?

1. Virtualization
2. Service-Oriented Architecture
3. Grid Computing
4. All of the above

Correct Ans: D

QEE3.A 3-phase transmission line is being supported by three disc insulators. The potentials across top unit (i.e., near to the tower) and middle unit are 8 kV and 12 kV respectively. Calculate the string efficiency.

1. 63.63%
2. 70.37%
3. 58.97%
4. 80.95%

Correct Ans: A

QEE4.Select the correct statement.

1. Optical fiber sensors are not immune to electromagnetic disturbances.
2. The magneto-optical current transformer (MOCT) measures the electric current by means of feebeck effect.
3. The optical voltage transformer (OVT) measures the electric voltage by means of Pockels effect.
4. All of the above

Correct Ans: C

QEE5.Consider the following statements and choose the correct answer:

Statement 1: Series capacitors are used in a transmission line to increase the phase angle between sending end and receiving ends under no-load conditions.

Statement 2: Shunt capacitor improves power factor of the transmitted power and reduces the voltage drop uniformly along the length of the line.

1. Statement 1 is FALSE and Statement 2 is TRUE
2. Both Statement 1 and Statement 2 are FALSE
3. Both Statement 1 and Statement 2 are TRUE
4. Statement 1 is TRUE and Statement 2 is FALSE

Correct Ans: A

QEE6.Generally, the bus impedance matrix is a …………….. Matrix and the bus admittance matrix is a ……………………… matrix.

1. unit, sparse
2. full, sparse
3. sparse, unit
4. full, null

Correct Ans: B

QEE7.If \(n_1\) is the refractive index of the core and \(n_2\) is the refractive index of the cladding, then the critical angle is given by

1. \(\sin^{-1}(\frac{n_1}{n_2})\)
2. \(\cos^{-1}(\frac{n_2}{n_1})\)
3. \(\cos^{-1}(\frac{n_1}{n_2})\)
4. \(\sin^{-1}(\frac{n_2}{n_1})\)

Correct Ans: D

QEE8.Which expression correctly represents the IDMT relay chracteristics?

1. \(\frac{0.41 \ TMS}{PSM^{1.02} - 1}\)
2. \(\frac{1.4 \ TMS}{PSM^{0.02} - 1}\)
3. \(\frac{14 \ TMS}{PSM^{2.0} - 1}\)
4. \(\frac{0.14\ TMS}{PSM^{0.02} - 1}\)

Correct Ans: D

QEE9.In the power system simulation software, the name ‘DIgSILENT’ stands for

1. Digital Software for Linear Electrical Network
2. Discrete Software and Electrical Network
3. Distributed Simulation of Linear Electrical Network
4. Digital Simulation and Electrical Network

Correct Ans: D

QEE10.Fibre optic cables operate at frequencies near

1. 200 MHz
2. 2 GHz
3. 800 THz
4. 20 MHz

Correct Ans: C

QEE11.Shunt capacitor are used to raise the power factor of the load of 175 kW from 0.8 lag to unity, the supply being 3 – phase, 50 Hz at 11 kV. In star bank, the capacitors will be

1. \(4.25\:\mu F\)
2. \(2.35\:\mu F\)
3. \(3.45\:\mu F\)
4. \(5.35\:\mu F\)

Correct Ans: C

QEE12.In buck converter, the critical capacitance value of the capacitor 'C' connected across the load is

1. directly proportional to the switching frequency
2. inversely proportional to the square of the switching frequency
3. inversely proportional to the switching frequency
4. directly proportional to the square of the switching frequency

Correct Ans: B

QEE13.The factors affecting stability of the power system is/are

1. Short-circuit ratio of the generator
2. Inertia constant
3. Transient reactance of the generator
4. All of the above

Correct Ans: D

QEE14.The supervisory control and data acquisition system can ________

1. stores, monitors and controls data
2. stores and controls data, but does not monitors data
3. stores and monitors data, but does not controls data
4. monitors and controls data, but does not stores data

Correct Ans: A

QEE15.Identify the electrical safety symbol shown in Fig.

1. Warning: Radiation Hazard
2. Warning: Battery charging In progress
3. Danger: Electric Shock Risk
4. Warning: Battery burn hazard

Correct Ans: B

QEE16.If the tip of a wind rotor blade is traveling at 45 m/s and the wind speed is 9 m/s, obtain the tip-speed ratio.

1. 1
2. 5
3. 0.5
4. 2.5

Correct Ans: B

QEE17.If '\(K\)' is the degree of series compensation, then the power transfer through the series compensated transmission line is increased by a factor of

1. \(\frac{1}{K}\)
2. \(K\)
3. \(\frac{1}{1 - K}\)
4. \(\frac{K}{1 - K}\)

Correct Ans: C

QEE18.The part of the transmission tower shown in red colour in the fig. is called as

1. boom
2. cross arm
3. leg
4. cage

Correct Ans: D

QEE19._____________ is a code injecting method used for attacking the database of a system / website.

1. M alicious code injection
2. HTML injection
3. SQL injection
4. XML injection

Correct Ans: C

QEE20.Find the voltage drop across the resistor \(R_2 = 40\:\Omega\)
for the circuit shown in Fig

1. 4 V
2. 2 V
3. 8 V
4. 6 V

Correct Ans: A

QEE21.Load compensation is the management of ………….. to improve the quality of supply in ………. power systems.

1. Reactive power, DC
2. Active power, DC
3. Active power, AC
4. Reactive power, AC

Correct Ans: D

QEE22.What type of earthing is used by transmission lines?

1. Rod earthing
2. Both Plate and Rod earthing
3. Plate earthing
4. Strip earthing

Correct Ans: C

QEE24.A lightning stroke current of 10 kA strikes a line of 400 \(\Omega\) surge impedance. What is the over voltage caused when a direct stroke occurs over the top of an unshielded transmission line?

1. 6000 kV
2. 4000 kV
3. 8000 kV
4. 2000 kV

Correct Ans: D

QEE25.An ammeter of 0.2 \(\Omega\) resistance is connected across the secondary of a 500 / 5A current transformer (CT). The CT burden is

1. 20 VA
2. 5 VA
3. 50 VA
4. 1 VA

Correct Ans: B

QEE26.Which of the following types of tests are required for differential and restricted earth fault relays?

(i) Sensitivity test to check whether the relay will operate at the set current.

(ii) Stability test to check whether the relay will be stable at fault outside the protection
zone.

1. (ii) only
2. Neither (i) nor (ii)
3. Both (i) and (ii)
4. (i) only

Correct Ans: C

QEE27.What would be the operating polarity of the conductor in homopolar HVDC scheme?

1. all conductors are operated with positive polarity
2. One with positive and rest of the conductors are operated with negative polarity
3. One with negative and all the remaining conductors are operated with positive polarity
4. all conductors are operated with negative polarity

Correct Ans: D

QEE28.In a lead-acid battery

1. The number of negative plates is one more than the number of positive plates.
2. The number of positive plates is one more than the number of negative plates
3. The difference between the number of positive and negative plates is always 2.
4. The number of positive and negative plates are equal.

Correct Ans: A

QEE29.Consider the following statements and select the correct answer:

Statement 1: A SCADA system will only monitor and never make changes to the operations.

Statement 2: A SCADA system is open to many inputs and outputs, for that reason a SCADA system cannot be configured for secure access.

1. 
   Both Statement 1 and Statement 2 are FALSE
2. Statement 1 is FALSE and Statement 2 is TRUE
3. 
   Both Statement 1 and Statement 2 are TRUE
4. 
   Statement 1 is TRUE and Statement 2 is FALSE

Correct Ans: A

QEE30.Choose the correct sequence for increasing effect of arc on reach of distance relays:

1. Simple impedance → Reactance → Mho
2. Simple impedance → Mho → Reactance
3. Reactance → Simple impedance → Mho
4. Mho → Simple impedance → Reactance

Correct Ans: C

QEE31.How many cells, each having an emf of 1.5 V and internal resistance of \(0.25\:\Omega\) would be required (connected in series) to pass a current of 1.5 A through a resistance of \(15\:\Omega\)?

1. 25
2. 15
3. 10
4. 20

Correct Ans: D

QEE32.Which device protects from overload and short circuit in a panel board?

1. Time delay relay
2. Isolating switch
3. Miniature circuit breaker
4. Thermal overload relay

Correct Ans: C

QEE33.Interline Power Flow Controller (IPFC) is a

1. Combined Series-Shunt compensation device
2. Combined Series-Series compensation device
3. Shunt compensation device
   
4. Series compensation device

Correct Ans: B

QEE34.Consider the following statements and choose the correct answer:

Statement 1: The earthing switch shall close only when the isolator is open.

Statement 2: The line isolator shall close only when the corresponding circuit breaker and the earthing switch are open.

1. Statement 1 is FALSE and Statement 2 is TRUE
2. Both Statement 1 and Statement 2 are TRUE
3. Both Statement 1 and Statement 2 are FALSE
4. Statement 1 is TRUE and Statement 2 is FALSE

Correct Ans: B

QEE35.A line operating at 50 Hz is 81% series compensated. The resonating frequency is

1. 55.5 Hz
2. 45 Hz
3. 32.8 Hz
4. 40.5 Hz

Correct Ans: B

QEE36.Calculate the efficiency at maximum power point of a silicon based solar cell having short-circuit current density of \(J_{SC} = 46\: mA/cm^2\) , open-circuit voltage \(V_{OC} = 725\: mV\) and fill factor = 0.84. Assume that the irradiation at standard test conditions is \(100\: mW/cm^2\).

1. 33%
2. 61%
3. 28%
4. 40%

Correct Ans: C

QEE37.During differential protection of transformer, the factor which influence the magnitude and duration of magnetizing current inrush is

(i) Size of transformer

(ii) Type of magnetic material in the core

(iii) Residual flux in the transformer

1. Only (ii) and (iii) are correct
2. Only (i) and (ii) are correct
3. Only (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: D

QEE38.Voltage transformers are designed to have ............ magnetizing current and ............... magnetizing reactance.

1. high, low
2. high, high
3. low, low
4. low, high

Correct Ans: D

QEE39.The earthing switch is generally installed on ............... and is used for ..............

1. isolator frame, protection of equipment from ground faults
2. circuit breaker frame, protection of equipment from ground faults
3. isolator frame, discharging residual energies
4. main board, measuring of safety voltage

Correct Ans: C

QEE40.A 30 kVA single-phase transformer has 500 turns on the primary and 50 turns on the secondary winding. The primary is connected to 3000 V, 50 Hz supply. Find the full load primary and secondary currents. Neglect leakage drops and no-load primary current.

1. 100 A and 10 A
2. 1 A and 100 A
3. 10 A and 1 A
4. 10 A and 100 A

Correct Ans: D

QEE41.Which colour is to be powder coated (painted) on a control panel as per IE rule?

1. Siemens Gray
2. Light blue
3. Yellow
4. Dark blue

Correct Ans: A

QEE42.If we discharge 6 kWh from a solar battery with a capacity of 8 kWh, the battery’s depth of discharge will be

1. 100%
2. 25%
3. 75%
4. 50%

Correct Ans: C

QEE43.Which one of the following statements is not true for solar energy?

1. It is a dilute form of energy.
2. Its harnessing at large scale is easy.
3. Availability at any instant of time is uncertain.
4. Its availability is diurnal.

Correct Ans: B

QEE44.For the protection of lines against faults involving variable fault resistance, the preferred relaying scheme is a

1. Plain impedance relay
2. Directional over-current relay
3. Mho relay
4. Reactance relay

Correct Ans: D

QEE45.Fault current limiters are designed to

(i) maximize the impedance of the circuit under normal conditions to reduce losses.

(ii) increase the impedance of the circuit under fault conditions to limit fault current

1. only (i) is correct
2. only (ii) is correct
3. both (i) and (ii) are correct
4. none of the above

Correct Ans: B

QEE46.If the line loading is less than surge impedance loading,

1. the receiving end voltage is equal to the mid-point voltage
2. the receiving end voltage is greater than the sending end voltage
3. the receiving end voltage is less than the mid-point voltage
4. the receiving end voltage is less than the sending end voltage

Correct Ans: B

QEE47.Which of the following battery-powered applications might not need a battery management system?

1. The lead-acid 12V system in an automobile
2. The lithium-ion battery pack in an electric vehicle
3. A lithium-ion battery pack for domestic power backup
4. A lithium-ion battery pack for energy storage for the utility grid

Correct Ans: A

QEE48.The voltage at which the low-tension cables transmit power is upto

1. 11 kV
2. 6.6 kV
3. 1 kV
4. 33 kV

Correct Ans: C

QEE49.Consider an application where 6 batteries of 12V each are to be connected in series to achieve a 72 V dc bus. If a resistive charge equalisation circuit is employed, then what is the loss in the charge equalisation circuit if 1kΩ is applied across each battery?

1. 0.864 W
2. 0.144 W
3. 0.576 W
4. 0.288 W

Correct Ans: A

QEE50.A 30 MVA, 33 kV transformer has a per unit impedance of 0.75. The per unit impedance at a new base 60 MVA and 11 kV is

1. 0.166 pu
2. 3.375 pu
3. 13.5 pu
4. 0.5 pu

Correct Ans: C

QEE51.In carrier current pilot relaying scheme, ………….. signal is transmitted on the same conductor of the transmission line.

1. high voltage and low frequency
2. low voltage and high frequency
3. low voltage and low frequency
4. high voltage and high frequency

Correct Ans: B

QEE52.The right of way (ROW) for a ± 500 kV DC transmission line is

1. 35 m
2. 46 m
3. 27 m
4. 52 m

Correct Ans: D

QEE53.According to IEEE C37.122, the tests included in high voltage gas insulted substation (GIS) routine tests are:

(i) Dielectric tests

(ii) Test on auxiliary and control circuits

(iii) Tightness tests

1. Only (i) and (ii) are correct
2. Only (ii) and (iii) are correct
3. Only (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: D

QEE54.Which of the following statements is incorrect about lead-acid batteries?

1. when fully charged, both of the plates become lead-peroxide
2. the electrolyte is weak sulphuric acid
3. when fully discharged, both the positive and negative plates become lead sulfate
4. None of the above

Correct Ans: A

QEE55.The disadvantages of shunting an instrument for use at high currents are:

(i) It is difficult to achieve good accuracy with shunts

(ii) Power consumption of the shunts is large

(iii) The metering circuit is not electrically isolated from the circuit

1. Only (i) and (ii) are correct
2. Only (ii) and (iii) are correct
3. Only (i) and (iii) are correct
4. All (i), (ii) and (iii) are correct

Correct Ans: D

QEE56.Which one of the following is not a horizontal-axis wind turbine?

1. Multi-blade water-pumping windmills
2. Darrieus windmills
3. Dutch windmills
4. High-speed propeller-type wind machines

Correct Ans: B

QEE57.Consider the following statements and select the correct answer:

Statement – 1: The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit.

Statement – 2: The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil.

1. Both Statement 1 and Statement 2 are
   TRUE
2. Both Statement 1 and Statement 2 are
   FALSE
3. Statement 1 is FALSE and Statement 2 is
   TRUE
4. 
   Statement 1 is TRUE and Statement 2 is FALSE

Correct Ans: D

QEE58.…………………. is the ability of the relay system to operate with low value of actuating quantity.

1. Speed
2. Sensitivity
3. Selectivity
4. Reliability

Correct Ans: B

QEE59.The main function of earthwire is to form a ……………………… return path for earth leakage currents necessary for the operation of protective system.

1. Continuous and low resistance
2. Continuous and high resistance
3. Discontinuous and low resistance
4. Discontinuous and high resistance

Correct Ans: A

QEE60.Which type of tower is called suspension tower?

1. Type A
2. Type D
3. Type C
4. Type B

Correct Ans: A

QEE1.Biogas is produced when anaerobic bacteria digest organic matters in absence of oxygen. The process is called

1. Anaerobic digestion
2. Anaerobic oxidation
3. Anaerobic drying
4. Anaerobic reduction

Correct Ans: A

QEE2.If a battery has 0.2 C rate, then the discharge current will discharge the entire battery in

1. 1 hour
2. 5 hours
3. 0.5 hour
4. 10 hours

Correct Ans: B

QEE3.The fault current limiters

(i) insert zero impedance in the system when there is no fault

(ii) insert large impedance when fault occur in the system

(iii) reduce the short-circuit current of the system

Select the correct statement.

1. only (i) and (ii) are correct
2. only (i) and (iii) are correct
3. only (ii) and (iii) are correct
4. all (i), (ii) and (iii) are correct

Correct Ans: D

QEE4.In comparison to Air insulated substation, Gas Insulated Substation (GIS) is more advantageous due to

(i) compactness

(ii) less maintenance

(iii) high electromagnetic compatibility

Select the correct answer using the code given below:

1. (i), (ii) and (iii)
2. (i) and (iii)
3. (ii) and (iii)
4. (i) and (ii)

Correct Ans: D

QEE5.A 3-phase transmission line is being supported by three disc insulators. The potentials across top unit (i.e., near to the tower) and middle unit are 8 kV and 12 kV respectively. Calculate the ratio of capacitance between pin and earth to the self-capacitance of each unit.

1. 0.5
2. 1.5
3. 0.66
4. 0.33

Correct Ans: A

QEE6.A 50 MVA, 11 kV generator has a per unit impedance of 0.5. The per unit impedance of this generator at a new base 100 MVA and ‘X’ kV is 0.25. Determine the value of 'X'.

1. 22 kV
2. 44 kV
3. 11 kV
4. 33 kV

Correct Ans: A

QEE7.The specifications of an FS-380 solar module is presented as below.

Nominal power \(80 \: W\), Voltage at \(P_{max}\) is \(50.7 \: V\), Current at \(P_{max}\) is \(1.58 \: A\), Open circuit voltage is \(61.7 \: V\), Short circuit current is \(1.76 \: A\). The area of the module is \( 0.72 \: m^2\). What is the efficiency of the module under standard test conditions \(1000 \: W/m^2\).

1. 11.11%
2. 15%
3. 80%
4. 73.67%

Correct Ans: A

QEE8.Energized parts of electrical equipment operating at 50 volts AC or more must be ______ to avoid accidental contact.

1. Protected
2. Insulated
3. Guarded
4. Grounded

Correct Ans: C

QEE9.The main role of Gateway in smart grid architecture of IoT is to

1. manage
2. store
3. secure
4. collect

Correct Ans: D

QEE10.According to the Indian electricity rules, 1956, for extra-high voltage lines, the horizontal clearance between the nearest conductor and any part of adjacent building shall, on the basis of maximum deflection due to wind pressure, be not less than _________

1. 3 m plus 0.3 m for every additional 11 KV
2. 2 m plus 0.1 m for every additional 11 KV
3. 3 m plus 0.2 m for every additional 33 KV
4. 2 m plus 0.3 m for every additional 33 KV

Correct Ans: D

QEE11.Which of the following factors are monitored and controlled by battery management system?

(i) Voltage of individual cells

(ii) Charge and discharge rate

(iii) Temperature of individual cells

1. Only (i) and (ii) are correct
2. Only (ii) and (iii) are correct
3. Only (i) and (iii) are correct
4. all (i), (ii) and (iii) are correct

Correct Ans: D

QEE12.The constant voltage charging method of lead-acid battery will provide

1. Constant voltage till the voltage reach its
   defined gassing voltage
2. Constant current till the current taken by
   the battery go to zero
3. Constant current till the voltage reach
   its defined gassing voltage
4. Constant voltage till the current taken
   by the battery go to zero.

Correct Ans: D

QEE13.Consider the following statements and select the correct answer:

Statement 1: The Darrieus wind turbine is not a self-starting turbine

Statement 2: The starting torque of the Darrieus wind turbine is very low

1. Statement 1 is TRUE and Statement 2 is FALSE
2. Statement 1 is FALSE and Statement 2 is TRUE
3. Both Statement 1 and Statement 2 are FALSE
4. Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE15.The bipolar HVDC link has

1. Two conductors with potentials -V and -V with respect to the ground potential.
2. One conductor usually with positive polarity and the return path is ground.
3. One conductor usually with negative polarity and the return path is ground.
4. Two conductors with potentials +V and -V with respect to the ground potential.

Correct Ans: D

QEE16.The right of way (ROW) for a 1200 kV AC transmission line is about________.

1. 90 m
2. 46 m
3. 64 m
4. 27 m

Correct Ans: A

QEE18.Two identical synchronous machines having the same inertia constant are connected in parallel and swinging together. The effective inertia constant is 6 MJ/MVA. Then each machine has an inertia constant of

1. 3 MJ/MVA
2. 1 MJ/MVA
3. 12 MJ/MVA
4. 6 MJ/MVA

Correct Ans: A

QEE19.Consider the following statements and select the correct answer:

Statement 1: For equilateral spacing of conductors of untransposed three phase line, we have unbalanced receiving end voltage and no communication interference

Statement 2: Transmission lines are transposed to prevent short circuit between any two line.

1. Both Statement 1 and Statement 2 are False
   FALSE
2. Both Statement 1 and Statement 2 are True
   TRUE
3. Statement 1 is FALSE and Statement 2 is TRUE
4. Statement 1 is TRUE and Statement 2 is FALSE

Correct Ans: A

QEE20.Calculate the protection trip time of the inverse definite minimum time (IDMT) overcurrent relay, according to IEC 60255 protection curves. Assume standard inverse curve type, relay pickup current = 2 kA, fault current = 10 kA and time-multiplier setting (TMS) = 1.

1. 12.84 s
2. 13.26 s
3. 4.28 s
4. 8.84 s

Correct Ans: C

QEE22.As per Indian Electricity rules 1956, the minimum permissible ground clearance for 220 kV transmission line is about ____

1. 7.0 m
2. 5.2 m
3. 6.1 m
4. 8.84 m

Correct Ans: A

QEE23.The Ferranti effect will be happen on the ..................... transmission line due to ………….. Of the line.

1. Short, charging current
2. Long, charging current
3. Long, discharging current
4. Short, discharging current

Correct Ans: B

QEE25.Match the following:

\(\mathbf{Generation:}\)

(i) First Generation

(ii) Second Generation

(iii) Third Generation

(iv) Fourth Generation


\(\mathbf{Types \: of \: SCADA \: System:}\)

(A) Distributed SCADA

(B) Monolithic SCADA

(C) IoT SCADA

(D) Networked SCADA

1. (i) - (C), (ii) - (A), (iii) - (D), (iv) - (B)
2. (i) - (B), (ii) - (C), (iii) - (D), (iv) - (A)
3. (i) - (B), (ii) - (A), (iii) - (D), (iv) - (C)
4. (i) - (D), (ii) - (C), (iii) - (B), (iv) - (A)

Correct Ans: C

QEE27.The electrical field developed within clouds before a lightning stroke occurs can be of the order of

1. 1 kV/cm
2. 100 kV/cm
3. 0.1 kV/cm
4. 10 kV/cm

Correct Ans: D

QEE28.Consider the following statements and select the correct answer:

Statement 1: Series capacitor increases the load angle for the same amount of power transfer with constant values of sending end and receiving end voltages.

Statement 2: Series capacitor helps to equalize the power sharing between the lines.

1. Both Statement 1 and Statement 2 are TRUE
2. Statement 1 is FALSE and Statement 2 is TRUE
3. Statement 1 is TRUE and Statement 2 is FALSE
4. Both Statement 1 and Statement 2 are FALSE

Correct Ans: B

QEE29.If \(n_1\) is the refractive index of the core, \(n_2\) is the refractive index of the cladding, \(\phi_i\) is the incidence angle and \(\phi_c\) is the critical angle, then for total internal reflection

1. \(n_1 > n_2 \: and \: \phi_i < \phi_C\)
2. \(n_1 > n_2 \: and \: \phi_i > \phi_C\)
3. \(n_1 < n_2 \: and \: \phi_i < \phi_C\)
4. \(n_1 < n_2 \: and \: \phi_i > \phi_C\)

Correct Ans: B

QEE30.The purpose of DIN-rail used in control panel wiring is to

1. mount the double deck terminal connectors
2. provide a path way for electrical wiring
3. install the high powered circuit accessories
4. mount the control accessories without screws

Correct Ans: D

QEE31.What distance does a one meter length wind turbine blade tip travel to complete one revolution?

1. 3.14 m
2. 6.28 m
3. 1.57 m
4. 4.71 m

Correct Ans: B

QEE32.Figure shows a single line diagram of a double bus section at a substation. Identify the name of the element \('X'\).

1. Circuit breaker
2. Surge arrestor
3. Disconnector switch
4. Earth switch

Correct Ans: D

QEE33.What is the diameter of the GI pipe through which the earth wire needs to be taken out?

1. 15 mm
2. 19 mm
3. 13 mm
4. 6 mm

Correct Ans: C

QEE34.The \(Y_{bus}\) matrix of a two-bus power system having two identical parallel lines connected between them in p.u. is given as
\(Y_{bus}=\begin{bmatrix}-j8 & j20\\j20 & -j8\end{bmatrix}\)

The magnitude of the series reactance of each line in p.u. is

1. j0.2 p.u.
2. j0.3 p.u.
3. j0.4 p.u.
4. j0.1 p.u.

Correct Ans: D

QEE36.With 100% inductive shunt compensation, the voltage profile is flat for _______ loading of line.

1. 0%
2. 75%
3. 100%
4. 50%

Correct Ans: A

QEE37.The quadratic electro-optical effect is also called:

1. Kerr effect
2. Pockels effect
3. Faraday effect
4. Cotton-Mouton effect

Correct Ans: A

QEE38.In the Power World simulator, ……………… is the tool used to simulate ancillary services reserve markets.

1. Security Constrained Optimal Power Flow
2. Voltage Adequacy and Stability
3. Optimal Power Flow Reserves
4. Availabiltiy Transfer Capability Analysis

Correct Ans: C

QEE39.In boost converter, the critical capacitance value of the capacitor 'C' connected across the load is

1. inversely proportional to the square of the
   switching frequency
2. inversely proportional to the switching frequency
3. directly proportional to the switching frequency
4. directly proportional to the square of the switching frequency

Correct Ans: B

QEE40.Which instrument is present in the power line carrier communication system?

1. Tuning unit
2. Multiplexer
3. SCADA
4. None of these

Correct Ans: A

QEE41.…………. is an overcurrent relay with directional restraint used for earth fault protection.

1. Reactance relay
2. Impedance relay
3. Mho relay
4. None of the above

Correct Ans: A

QEE43.During charging, the specific gravity of the electrolyte of a lead-acid battery

1. decreases
2. remains the same
3. becomes zero
4. increases

Correct Ans: D

QEE44.In India, ………………….. are neutral wires in the electric circuit that carries the unbalanced load or unused current back to the electric panel.

1. Black wires
2. Blue wires
3. Yellow wires
4. Red wires

Correct Ans: A

QEE45.The relay used for phase fault protection of short transmission lines is

1. impedance relay
2. IDMT relay
3. Mho relay
4. reactance relay

Correct Ans: D

QEE46.What is the purpose of back up protection?

1. To act in case of failure of primary protection
2. To increase the reach
3. To leave no blind spot
4. To increase the speed

Correct Ans: A

QEE48.The Unified Power Flow Controller (UPFC) is a combination of………….. and …………….. coupled via a DC link.

1. STATCOM, SSSC
2. SVC, TCSC
3. STATCOM, SVC
4. TCSC, SSSC

Correct Ans: A

QEE49.The adequateness of protection is judged by considering

1. Rating of the protected machine
2. Location of the protected machine
3. Probability of abnormal condition due to internal and external causes
4. All of the above

Correct Ans: D

QEE50.The advantage of extra high voltage column isolators is

1. It requires less ground area.
2. It is clearly visible from a great distance.
3. Keeping the fixed contacts alive the moving contacts can be inspected safely.
4. All of the above

Correct Ans: D

QEE51.Consider the following statements concerned with interconnecting solar cells to make a solar module. Which of the statements is false?

1. The short-circuit current of a solar module with series connected solar cells is the sum of the short-circuit currents of all the individual solar cells.
2. The bypass diode is connected in parallel to a solar cell but with a polarity opposite to that of the solar cell.
3. The use of bypass diodes in a solar module can help in reducing the undesired effects of a dysfunctional solar cell.
4. The open-circuit voltage of a solar module with series connected solar cells is the sum of the open circuit voltages of all the individual solar cells.

Correct Ans: A

QEE52.Capacitance grading of cable implies:

1. Use of dielectrics of different permeabilities
2. Cables using single dielectric in different concentrations
   
3. Capacitance required to be introduced at different lengths to counter the effect of inductance
4. Grading according to capacitance of cables per km length

Correct Ans: A

QEE55.In series compensation, if the degree of compensation is 0.6, then the power transfer capability of transmission line with compensation will be __________ times the power transfer capability without compensation.

1. 3.5
2. 2.5
3. 0.5
4. 1.5

Correct Ans: B

QEE57.Determine the discharge time and average current output of a battery with a capacity rating of 2300 mAh if it is discharged at 0.5 C.

1. 1 hour, 1150 mA
2. 2 hours, 1150 mA
3. 1 hour, 2300 mA
4. 2 hours, 2300 mA

Correct Ans: B

QEE59.Thyristor Controlled Series Capacitor (TCSC) is a

1. Series compensation device
2. Shunt compensation device
3. Combined Series-Shunt compensation device
4. None of these

Correct Ans: A

QEE60.At an Industrial substation with a 4 MW load a capacitor of 3 MVAR is installed to maintain the load power factor at 0.97 lag. If the capacitor goes out of service, the load power factor becomes

1. 0.641 lag
2. 0.707 lag
3. 0.97 lag
4. 0.86 lag

Correct Ans: B

QGK1.Which of the following organisations publishes the "Human Development Report"?

1. United Nations Environment Programme
2. United Nations Development Programme
3. International Atomic Energy Agency
4. World Intellectual Property Organisation

Correct Ans: B

QGK2.Which English political scientist had described the Preamble as the 'keynote' to the Indian Constitution?

1. Granville Austin
2. John Stuart Mill
3. Sir Ernest Barker
4. Edmund Burke

Correct Ans: C

QGK3.Who presides over the meetings of Municipal Corporation?

1. Speaker of the state Assembly
2. Mayor
3. Municipal Commissioner
4. District Magistrate

Correct Ans: B

QGK4.What is the expansion of PCR in Biotechnology?

1. Peptide Chain Reaction
2. Physical Chain Reaction
3. Polymerase Chain Reaction
4. Procedural Chain Reaction

Correct Ans: C

QGK5.COVID-19 Shri Shakti Challenge was organized by MyGov in collaboration with _________.

1. Shanghai Cooperation Organisation
2. UN Women
3. BRICS
4. World Economic Forum

Correct Ans: B

QGK6.Which part of the brain controls the involuntary actions such as salivation and blood pressure?

1. Pitutary Gland
2. Cerebellum
3. Cerebrum
4. Medulla

Correct Ans: D

QGK7.When was the order dividing the province of Bengal into two parts issued by Lord Curzon?

1. 1905
2. 1900
3. 1907
4. 1903

Correct Ans: A

QGK8.The Securities and Exchange Board of India was established in the year:

1. 1991
2. 1993
3. 1994
4. 1992

Correct Ans: D

QGK9.In which year was the Gandhi - Irwin Pact signed that consented Gandhiji to participate in the Round Table Conference?

1. 1929
2. 1927
3. 1930
4. 1931

Correct Ans: D

QGK10.In which state "Valley of Flowers National Park" is situated?

1. Uttarakhand
2. Punjab
3. Jammu and Kashmir
4. Himachal Pradesh

Correct Ans: A

QGL1."કમળ" માટે કયા બે સમાનાર્થી શબ્દો સાચા છે?

1. પદ્મ, પંકજ
2. ઇન્દુ,હિમાંશુ
3. સલિલ, ઉદક
4. અંશુ, મરીચિ

Correct Ans: A

QGL2."લોહી" શબ્દ પરનો કયો એક રુઢીપ્રયોગ નથી?

1. લોહીનું પાણી થવું
2. લોહી ઉક્ળવું
3. લોહી લાલ થવું
4. લોહી ચાખવું

Correct Ans: C

QGL3.આપેલા વાક્યોમાંથી ભાવે વાક્ય કયું છે?

1. રમાથી લાકડું સળગાવાયું.
2. અમારા બધાથી ગૃહકાર્ય કરવાનું ભૂલી જવાયું.
3. મારાથી બિલકુલ ન બોલાયું
4. શિક્ષકથી વિદ્યાર્થીઓને શિક્ષા કરાઈ

Correct Ans: C

QGL4.જોડણી અથવા અનુસ્વારની રીતે વાક્યની શુદ્રતા ચકાસો.

મારા મોટા બહેન શિક્ષક છે.
અમારી પરિક્ષા જુનમાં લેવાશે.

1. વાક્ય 1 અને વાક્ય 2 બંને ખોટા છે
2. વાક્ય 1 અને વાક્ય 2 બંને સાચા છે
3. વાક્ય 1 ખોટું છે અને વાક્ય 2 સાચું છે
4. વાક્ય 1 સાચું છે અને વાક્ય 2 ખોટું છે

Correct Ans: A

QGL5."આદિ" નો વિરુદ્ધાર્થી શબ્દ જણાવો.

1. આજનું
2. નવતર
3. અંત
4. પ્રારંભ

Correct Ans: C

QGL6.નીચેના વાક્યોમાં ક્યાં ભૂલ છે તે શોધો.
સજ્જન માણસોનો સંગ હિતકારી બને.

1. સજ્જન માણસોનો
2. બને
3. સંગ
4. હિતકારી