VIDYUT SAHAYAK (PLANT ATTENDANT GR.-I)

Vacancies - ELECTRICAL:

153

At present there are 153 vacancies; however, in future more vacancies are likely to occur till one year from announcement of Result.

Roster Reservation:

SC		ST		SEBC		EWS		UR		PWD
M	F	M	F	M	F	M	F	M	F	PWD
5	2	6	3	31	16	10	5	50	25	6

Salary / Remuneration:

Year	Remuneration	Remarks
1st Year	22,750/- p.m.	No other allowance or benefits would be admissible. Reimbursement of TA/DA will be paid as per companys rules. The selected candidate shall be appointed initially for the period of Three years as Vidyut Sahayak (Plant Attendant Gr.I) and may be considered for appointment to the post of Plant Attendant Gr. I on regular establishment, in the pay scale of Rs. 26000- 56600 /- for two years subject to satisfactory completion of three years as Vidyut Sahayak. After Completion of Two years as Plant Attendant I in the scale of 26000 - 56600/-, he shall be appointed as Plant Operator Grade I on vacant post anywhere in Gujarat subject to fulfilling the required criteria as per companys Rules.
2nd Year	24,700/-p.m.
3rd Year	26,650/-p.m.

Year

Remuneration

Remarks

1st Year

22,750/- p.m.

No other allowance or benefits would be admissible. Reimbursement of TA/DA will be paid as per companys rules.

The selected candidate shall be appointed initially for the period of Three years as Vidyut Sahayak (Plant Attendant Gr.I) and may be considered for appointment to the post of Plant Attendant Gr. I on regular establishment, in the pay scale of Rs. 26000- 56600 /- for two years subject to satisfactory completion of three years as Vidyut Sahayak. After Completion of Two years as Plant Attendant I in the scale of 26000 - 56600/-, he shall be appointed as Plant Operator Grade I on vacant post anywhere in Gujarat subject to fulfilling the required criteria as per companys Rules.

2nd Year

24,700/-p.m.

3rd Year

26,650/-p.m.

Education Qualification:

Post	Min. Qualification
Vidyut Sahayak (PA Gr. 1)	Full time/Regular Diploma in Electrical Engineering from recognized University with minimum 55% in Last Year/ 5th &6th semester.

Age Criteria:

Upper Age Limit : (Upper age limit on the date of advertisement i.e. 06-03-2024)

Category of candidates	Upper age limit
Unreserved	35 years
Reserved & EWS	40 years

Age Relaxation in upper age limit:

Category of candidates	Relaxation
Female Candidate	05 Years
Person with Disability candidate	10 Years
Ex. Armed Force Personnel	10 Years
Dependent of Retired Employee of GUVNL & Subsidiaries	Up to age of 40 years (Considered only on submission of undertaking)

Maximum age relaxation in upper age limit shall be considered upto the age of 45 years only.
The above age criteria are as per the Yuva Swavlamban Scheme of Govt. of Gujarat.

Suitable disability for PwD category candidates:

Post	Disability Level
VS PA GR-I (Electrical) - Person with Disability (PWD) candidate	The PWD (Person with Disability) candidates with disability of Acid Attack Victim (AAV) and Specific Learning Disability (SLD) can apply and shall have to submit Certificate of Civil Surgeon /Government Designated Authority, indicating existing Percentage of disability. Their applications will be considered as per rules of the Company.

Important Dates:

Sr. No.	Events	Dates
1	On-line submission of application commences	11-03-2024 at 12:00 AM
2	Last date for On-line submission of application	01-04-2024 at 06:00 PM
3	Important Dates	The last date of Online application is 01-04-2024 06.00 p.m.
4	General	Knowledge of Gujarati is essential

Application Fees (Nonrefundable) :

Categories	Fees Payable
UR/SEBC/EWS	Rs.500.00 (inclusive of GST)
ST/SC/PWD	Rs.250.00 (inclusive of GST)

Exam Pattern & Mode of exam:

Two Tier Selection Process:
- First Tier Exam:
  - Exam should be conducted OMR based
  - Total Questions: 100
  - Cut off for second Tier Exam:
    - Unreserved category : 50 Marks and above
    - Reserved category, EWS and PWD : 45 Marks and above

Second Tier Exam:
- Exam should be conducted OMR based
- Total Questions: 100
- Eligible for vacancy as per merit list:
  - Unreserved category : 50 Marks and above
  - Reserved category, EWS and PWD : 45 Marks and above

Syllabus & Marks:

The tentative syllabus for the exam shall consist of, but not limited to, following topics/areas and emphasis could differ.

Sr.

Examination

First Tier Examination

Gujarati Language & Grammar

The Question Paper will be in English & Gujarati Language. The questions and answer asked for Gujarati Subject shall be only in Gujarati"

Syllabus

Subject	Marks
Reasoning	25
Quantitative Aptitude	25
English Usage and Vocabulary Synonyms and Antonyms Word substitutes in a sentence Idiom (Fill in the blanks) Error spotting / Right usage of words in a sentence	15
Gujarati રૂઢિ પ્રયોગો / કહેવાતોના અર્થ અને વાક્ય પ્રયોગો શબ્દ સમૂહ માટે એક શબ્દ જોડણી શુદ્ધિ સમાનાર્થી / વિરૂધાર્થી શબ્દ લેખન શુદ્ધિ / ભાષા શુદ્ધિ	15
Computer knowledge	20
Total	100

Marks

Each correct question : 1 Mark

Negative marking : 0.25 Mark

Result : Result of first Tier Examination will be eligibility for the second Tier Examination only.

Ratio forsecond Tier Examination : Candidates to be called for the second Tier examination shall be 1:5 i.e Five candidates to be called for one vacancy and so on.

Sr.

Examination

Second Tier Examination

Language

The Question Paper will be in English and Gujarati Language only

Syllabus

Subject	Marks
Electrical Engineering: Electrical Basics Electrical Engineering Materials DC Machine, AC Machine & Transformer Analog Circuits/Electronics Electrical Measurements & Measuring Instruments Control System Digital Electronics Generation, Transmission & distribution of Electrical Power Circuit Theory Network theory Microprocessor Power Electronics & Drives	100
Total	100

Marks

Each correct question : 1 Mark

Negative marking : 0.25 Mark

Waiting list : The validity of selection list will be one year from the date of publishing the final merit list on GETCO Website.

Note:

Kindly visit https://www.getcogujarat.com/getco_newsite/Career.php for an official documents published by GETCO and read instructions carefully before apply.

"Qualexe offers well designed Test series and Tournament for Quality exercise"

Previous Year Paper

Subject wise analysis

Subject	Number of questions
ELECTRICAL CIRCUIT ANALYSIS	12
POWER SYSTEM	65
MEASUREMENT & INSTRUMENTATION	1
ELECTRICAL ENGINEERING MATERIALS	1
UTILIZATION OF ELECTRICAL ENERGY	1
GENERAL KNOWLEDGE	10
ENGLISH	10
Total	100

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

\(ampere \times volt\)
\((ampere)^2\times ohm\)
\( ampere / volt \)
\(joules / sec \)

Correct Ans: C

Q2.Constant voltage source is

active and unilateral
active and bilateral
passive and bilateral
passive and unilateral

Correct Ans: A

Q3.Kirchhoff's laws are valid for

both linear and nonlinear circuits
linear circuits only
passive time invariant circuits
nonlinear circuits only

Correct Ans: A

Q4.The emf of primary cell depends upon the

nature of electrolyte and nature of electrode
physical dimensions of a cell
nature of electrolyte
nature of electrode

Correct Ans: A

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

current capacity
life of the cells
efficiency
voltage rating

Correct Ans: A

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

surge diverters
earthing screens
over head ground Wires
none

Correct Ans: A

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

both inductance and capacitance of the system
the type of circuit breaker
the inductance of the system only
the capacitance of the system only

Correct Ans: A

Q8.The capacitance of a capacitor is___________relative permittivity.

directly proportional to
inversely proportional to
independent of
directly proportional to square of

Correct Ans: A

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

capacitance
resistance
inductance
all

Correct Ans: A

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

\(\frac{V}{R}\)
\(\frac{V}{X_C}\)
\(\frac{V}{X_L}\)
none

Correct Ans: A

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

\(\frac{L}{CR}\)
\(\frac{LC}{R}\)
\(LCR\)
\(\frac{C}{LR}\)

Correct Ans: A

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

rms phase voltage
rms line to line voltage
Peak phase voltage
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

capacitance very small
capacitance calculation easy
the connection elegant
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

unity
zero
0.5
0.866

Correct Ans: A

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

unequal line voltage
high voltage
low voltage
none

Correct Ans: A

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

Intrinsic semiconductor
Metal
Insulator
Alloy

Correct Ans: B

Q17.Conductivity of aluminium is_________time of that of copper.

0.6
1.63
2.5
0.4

Correct Ans: A

Q18.Liquid crystal material is used in

display devices and thermal sensors
ultrasonic amplification and display devices
thermal sensors and transducers
transducers and ultrasonic amplification

Correct Ans: A

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

amperes
volts
ampere-volts
ampere hours

Correct Ans: A

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

voltage rating
current rating
current rating and voltage rating
none

Correct Ans: A

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

It is highly inflammable
It is electronegative in nature
It has high dielectric strength
It is non toxic

Correct Ans: A

Q22.A fuse is

never inserted in neutral wire
normally inserted in phase wire
normally inserted in neutral wire
never inserted in phase wire

Correct Ans: B

Q23.Lamps in street lighting are all connected in

parallel
series
series-parallel
end-to-end

Correct Ans: A

Q24.Galvanized steel wire is usually used as

all
stay wire
structural components
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

Forebay
Spill ways
Penstock
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

low temperature and pressure conditions
higher temperature conditions
less rejection of heat in the condenser
higher pressure conditions

Correct Ans: A

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

decreases
increases
remain the same
may increase or decrease

Correct Ans: A

Q28.The efficiency of solar cell is about

0.15
0.25
0.4
0.6

Correct Ans: A

Q29.The function of a surge tank is to

relieve water hammer pressure in the penstock pipe
supply water at constant pressure
produce surge in the pipeline
none

Correct Ans: A

Q30.A power system needs injection of VARs at

both peak and off-peak load
off peak load
full load
peak load

Correct Ans: A

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

5W
10 W
1W
20 W

Correct Ans: C

Q32.Water hammer occurs in

penstock
surge tank
turbine casing
draft tube

Correct Ans: A

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

feed water pump
superheater
condenser
turbine

Correct Ans: A

Q34.The injection of VARs is required to

get a good voltage profile
compensate for line losses
increase the voltage at the receiving end
all

Correct Ans: A

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

Rankine cycle
Otto Cycle
Carnot cycle
Bell-Coleman cycle

Correct Ans: A

Q36.Load shedding is done to

improve power factor
reduced peak demand
run the equipment efficiently
repair the machine

Correct Ans: B

Q37.Control rods used in nuclear reactors are made of

boron
zirconium
lead
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?

Non-conventional power stations
Basepower stations
Major thermal stations
Peaking hydro or gas turbine stations

Correct Ans: A

Q39.Demand factor is defined as:

average load/maximum load
maximum load/connected load
connected load/maximum load
maximum load./average load

Correct Ans: B

Q40.In a superheater

temperature rises and pressure remains unchanged
temperature rises and pressure drops
pressure rises and temperature drops
pressure rises and temperature remains the same

Correct Ans: A

Q41.A synchronous condenser is virtually a/an

over-excited synchronous motor
induction motor
under-excited synchronous motor
commutator motor

Correct Ans: A

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

voltage and power factor
current
voltage
power factor

Correct Ans: A

Q43.Effect of temperature rise in overhead lines is to

increase the sag and decrease the tension
decrease the sag and increase the tension
increase both
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

shunt capacitance to ground
surface leakage currents
series capacitance
series and shunt capacitances

Correct Ans: A

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

reduce fuel consumption
increases steam production
increase life of the boiler
increase steam pressure

Correct Ans: A

Q46.The effect of corona is ….

increased energy loss
increased inductance
increased reactance
All the above

Correct Ans: A

Q47.The inductance of the power transmission line increases with

decrease in line length
increase in diameter of the conductor
increase in spacing between conductors
increase in load current

Correct Ans: C

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

increases
decreases
remains unaltered
becomes infinite

Correct Ans: A

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

long and unloaded
long and loaded
short and loaded
none

Correct Ans: A

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

length of the line
the operating frequency of the line
the conductivity of the conductors
conductivity of the dielectric separating the conductors

Correct Ans: A

Q51.Bundled conductors are employed to improve

corona performance of the line
mechanically stability of the line
appearance of the transmission line
current carrying capacity of the line

Correct Ans: A

Q52.Back to back HVDC is used to

provide stable interconnection
increase the transmission capability
decrease line losses
reduce voltage drop

Correct Ans: A

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

switched capacitor with controlled reactors
fixed capacitor with controlled reactor
switched capacitors
saturable reactor with capacitor bank

Correct Ans: A

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

the inductance will increase and the capacitance will decrease
the inductance will increase and capacitance will remain unchanged
both the inductance and capacitance will increase
the inductance will decrease and the capacitance will increase

Correct Ans: A

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

its current carrying capacity
voltage drop in it
operating voltage
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

one fourth of original value
equal to original value
half the original value
double the original value

Correct Ans: A

Q57.What is SCADA?

process
system
software
hardware

Correct Ans: A

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

\(E\)
\(\frac{1}{E^2}\)
\(E^2\)
\(\frac{1}{E}\)

Correct Ans: B

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

equal to the area of phase conductor
half of the area of phase conductor
double the area of phase conductor
1.5 times the area of phase conductor

Correct Ans: B

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

increasing the insulation resistance
increasing the capacitance
decreasing the capacitance
increasing the conductor resistance

Correct Ans: A

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

anyone
mechanically injury
crystallisation of lead through vibrations
chemical action with impurities present in the soil when buried in earth

Correct Ans: A

Q62.SCADA is

all
real time data acquisition and processing
data storing
data monitoring and control

Correct Ans: A

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

all
SCADA
communication between power station and substation
communication between power station and load control center

Correct Ans: A

Q64.The most common type of fault is

single phase to ground
phase-to-phase
two-phase-to-ground
three-phase to ground

Correct Ans: A

Q65.The stability of arc in vacuum depends on

the contact material with its vapour pressure and the circuit parameters
the contact material only
the contact material and its vapour pressure
the circuit parameters only

Correct Ans: A

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

damp out the fast transient
reduce the magnitude of fault current
control the CB operating time
change the fault current power factor

Correct Ans: A

Q67.The booster is inserted in the circuit to

compensate for voltage drop
increase current
reduce current
reduce voltage drop

Correct Ans: A

Q68.Circuit breakers usually operate under

sub-transient state of short circuit current
steady short circuit current
transient state of short circuit current
none

Correct Ans: C

Q69.Current rating is not necessary in case of

isolators
circuit breakers
load break switches
circuit breakers and load break switches

Correct Ans: A

Q70.Steady state stability of power system is improved by

reducing fault clearing time
decreasing generator inertia
single pole switching
using double circuit line instead of single circuit line

Correct Ans: D

Q71.The draught which a chimney produces is called

natural draught
induced draught
forced draught
balanced draught

Correct Ans: A

Q72.The diversity factor is always

equal to 1
less than 1
greater than 1
none of the above

Correct Ans: C

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

100-200 ohms
20-40 ohms
70-80 ohms
500-1000 ohms

Correct Ans: A

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

Mho's relay
Impedance relay
Reactance relay
none

Correct Ans: A

Q75.Power system stability is least affected by

input torque
losses
reactance of generator
reactance of transmission line

Correct Ans: B

Q76.The charging current in the cables

leads the voltage by \(90^\circ\)
leads the voltage by \(180^\circ\)
lags the voltage by \(90^\circ\)
lags the voltage by \(180^\circ\)

Correct Ans: A

Q77.Burden of a protective relay is the power

absorbed by the circuit of relay
required to operate the circuit breaker
developed by the relay circuit
none

Correct Ans: A

Q78.Arc in a circuit breaker is interrupted at

zero current
maximum current
minimum voltage
maximum voltage

Correct Ans: A

Q79.The minimum dielectric stress in a cable is at

bedding
armour
conductor surface
lead sheath

Correct Ans: D

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

becomes double
becomes one-fourth
becomes one-half
remains unchanged

Correct Ans: A

Q81.Who called Subhashchandra Bose as Desh Nayak?

Rabindranath Tagore
Lala Lajpat Rai
Mahatma Gandhi
Bal Gangadhar Tilak

Correct Ans: A

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

Article 26
Article 25
Article 27
Article 28

Correct Ans: A

Q83.The Mid Day Meal Scheme was launched on

August 15,1995
August 15,2000
August 15,1992
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)?

\(137^{th}\)
\(141^{st}\)
\(133^{rd}\)
\(155^{th}\)

Correct Ans: A

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

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

Correct Ans: A

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

Nani Palkhivala
T.N.Kaul
J.R.D.Tata
Khushwant Singh

Correct Ans: A

Q87.Who was known as Iron man of india?

Sardar Vallabhbhai Patel
Govind Ballabh Pant
Jawaharlal Nehru
Subhash Chandra Bose

Correct Ans: A

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

Rabindranath Tagore
C.V.Raman
Dalai Lama
Mother Teresa

Correct Ans: A

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

Jagdish Singh Khehar
T.S.Thakur
H.L.Dattu
Altamas Kabir

Correct Ans: A

Q90.Who is the Revenue Minister of Gujarat State?

Bhupendrasinh Chudasma
Vijaybhai Rupani
Nitinbhai Patel
Ganpatbhai Vasava

Correct Ans: A

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

Atheist
Theist
Heretic
Fanatic

Correct Ans: A

Q92.Give Antonym: Underhand

Exposed
Hidden
Surreptitious
Obscure

Correct Ans: A

Q93.Give Synonym: Cease

Stop
Begin
Create
Dull

Correct Ans: A

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

their
they
won't
unless

Correct Ans: A

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

can
begin
been
being

Correct Ans: A

Q96.I________tennis Sunday morning.

play
playing
am playing
am play

Correct Ans: A

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

is having
having
have
has

Correct Ans: A

Q98.What time________

does the train leave?
the train leaves?
leaves the train?
is the train leaving?

Correct Ans: A

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

divergent
independent
modest
adverse

Correct Ans: A

Q100.Give synonym: Cancel

Abolish
Approve
Allow
Break

Correct Ans: A

Subject wise analysis

Subject	Number of questions
ELECTRICAL WIRING	2
GENERAL KNOWLEDGE	10
GUJARATI	10
ELECTRICAL ENERGY CONSERVATION AND AUDITING	2
POWER SYSTEM	37
ELECTRICAL ENGINEERING MATERIALS	2
ELECTRICAL VEHICLES	7
POWER ELECTRONICS & DRIVES	1
BASICS OF COMPUTER	10
ELECTRICAL CIRCUIT ANALYSIS	1
INDUSTRIAL AUTOMATION	2
MEASUREMENT & INSTRUMENTATION	4
ELECTRICAL MACHINES	2
ENGLISH	10
Total	100

QEE1.Biogas is produced when anaerobic bacteria digest organic matters in absence of oxygen. The process is called

Anaerobic digestion
Anaerobic oxidation
Anaerobic drying
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 hour
5 hours
0.5 hour
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.

only (i) and (ii) are correct
only (i) and (iii) are correct
only (ii) and (iii) are correct
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:

(i), (ii) and (iii)
(i) and (iii)
(ii) and (iii)
(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.

0.5
1.5
0.66
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'.

22 kV
44 kV
11 kV
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 \(1000 \: W/m^2\).

11.11%
15%
80%
73.67%

Correct Ans: A

QEE8.Energized parts of electrical equipment operating at 50 volts AC or more must be ______ to avoid accidental contact.

Protected
Insulated
Guarded
Grounded

Correct Ans: C

QEE9.The main role of Gateway in smart grid architecture of IoT is to

manage
store
secure
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 _________

3 m plus 0.3 m for every additional 11 KV
2 m plus 0.1 m for every additional 11 KV
3 m plus 0.2 m for every additional 33 KV
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

Only (i) and (ii) are correct
Only (ii) and (iii) are correct
Only (i) and (iii) are correct
all (i), (ii) and (iii) are correct

Correct Ans: D

QEE12.The constant voltage charging method of lead-acid battery will provide

Constant voltage till the voltage reach its
defined gassing voltage
Constant current till the current taken by
the battery go to zero
Constant current till the voltage reach
its defined gassing voltage
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

Statement 1 is TRUE and Statement 2 is FALSE
Statement 1 is FALSE and Statement 2 is TRUE
Both Statement 1 and Statement 2 are FALSE
Both Statement 1 and Statement 2 are TRUE

Correct Ans: D

QEE14.The meter constant of an energy meter is 2000 revolutions/kWhr, the disc makes 4000 revolutions in the given time. The total energy consumed is

2 kWhr
3 kWhr
4 kWhr
1 kWhr

Correct Ans: A

QEE15.The bipolar HVDC link has

Two conductors with potentials -V and -V with respect to the ground potential.
One conductor usually with positive polarity and the return path is ground.
One conductor usually with negative polarity and the return path is ground.
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________.

90 m
46 m
64 m
27 m

Correct Ans: A

QEE17.When the secondary winding of a potential transformer is suddenly open circuited with primary winding excited

(i) large voltages are produced in the secondary winding which may be a safety hazard to operating personnel

(ii) the large voltages so produced may rupture the insulation

(iii) the primary winding draws only the no load current

only (i) is correct
only (iii) is correct
both (i) and (ii) are correct
All (i), (ii) and (iii) are correct

Correct Ans: B

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

3 MJ/MVA
1 MJ/MVA
12 MJ/MVA
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.

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

12.84 s
13.26 s
4.28 s
8.84 s

Correct Ans: C

QEE21.A single phase transformer has 400 turns in the primary winding and 1500 turns in the secondary winding. If the primary winding is connected to a 50 Hz supply at 500 V, calculate the voltage induced in the secondary.

133 V
960 V
1500 V
1875 V

Correct Ans: D

QEE22.As per Indian Electricity rules 1956, the minimum permissible ground clearance for 220 kV transmission line is about ____

7.0 m
5.2 m
6.1 m
8.84 m

Correct Ans: A

QEE23.The Ferranti effect will be happen on the ..................... transmission line due to ………….. Of the line.

Short, charging current
Long, charging current
Long, discharging current
Short, discharging current

Correct Ans: B

QEE24.A 500/5 A, 50 Hz CT has a bar primary. The secondary burden is a pure resistance of 1 Ω and it draws a current of 5 A. If the magnetic core requires 300 AT for magnetization, the percentage error is

13.45%
14.25%
-14.25%
-13.45%

Correct Ans: C

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

(i) - (C), (ii) - (A), (iii) - (D), (iv) - (B)
(i) - (B), (ii) - (C), (iii) - (D), (iv) - (A)
(i) - (B), (ii) - (A), (iii) - (D), (iv) - (C)
(i) - (D), (ii) - (C), (iii) - (B), (iv) - (A)

Correct Ans: C

QEE26.The lead acid battery

delivers current as soon as its components are put together
electrolyte density increases while delivering current
has lead as positive plates
does not deliver current on putting its components together until it is supplied electrical energy from external source

Correct Ans: D

QEE27.The electrical field developed within clouds before a lightning stroke occurs can be of the order of

1 kV/cm
100 kV/cm
0.1 kV/cm
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.

Both Statement 1 and Statement 2 are TRUE
Statement 1 is FALSE and Statement 2 is TRUE
Statement 1 is TRUE and Statement 2 is FALSE
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

\(n_1 > n_2 \: and \: \phi_i < \phi_C\)
\(n_1 > n_2 \: and \: \phi_i > \phi_C\)
\(n_1 < n_2 \: and \: \phi_i < \phi_C\)
\(n_1 < n_2 \: and \: \phi_i > \phi_C\)

Correct Ans: B

QEE30.The purpose of DIN-rail used in control panel wiring is to

mount the double deck terminal connectors
provide a path way for electrical wiring
install the high powered circuit accessories
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?

3.14 m
6.28 m
1.57 m
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 \('X'\).

Circuit breaker
Surge arrestor
Disconnector switch
Earth switch

Correct Ans: D

QEE33.What is the diameter of the GI pipe through which the earth wire needs to be taken out?

15 mm
19 mm
13 mm
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

j0.2 p.u.
j0.3 p.u.
j0.4 p.u.
j0.1 p.u.

Correct Ans: D

QEE35.The coefficient of refraction for a vacuum is

Correct Ans: D

QEE36.With 100% inductive shunt compensation, the voltage profile is flat for _______ loading of line.

0%
75%
100%
50%

Correct Ans: A

QEE37.The quadratic electro-optical effect is also called:

Kerr effect
Pockels effect
Faraday effect
Cotton-Mouton effect

Correct Ans: A

QEE38.In the Power World simulator, ……………… is the tool used to simulate ancillary services reserve markets.

Security Constrained Optimal Power Flow
Voltage Adequacy and Stability
Optimal Power Flow Reserves
Availabiltiy Transfer Capability Analysis

Correct Ans: C

QEE39.In boost converter, the critical capacitance value of the capacitor 'C' connected across the load is

inversely proportional to the square of the
switching frequency
inversely proportional to the switching frequency
directly proportional to the switching frequency
directly proportional to the square of the switching frequency

Correct Ans: B

QEE40.Which instrument is present in the power line carrier communication system?

Tuning unit
Multiplexer
SCADA
None of these

Correct Ans: A

QEE41.…………. is an overcurrent relay with directional restraint used for earth fault protection.

Reactance relay
Impedance relay
Mho relay
None of the above

Correct Ans: A

QEE42.When the lead-acid battery is in fully discharged condition, the colour of its positive plate will be …………

black
dark brown
grey
white

Correct Ans: B

QEE43.During charging, the specific gravity of the electrolyte of a lead-acid battery

decreases
remains the same
becomes zero
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.

Black wires
Blue wires
Yellow wires
Red wires

Correct Ans: A

QEE45.The relay used for phase fault protection of short transmission lines is

impedance relay
IDMT relay
Mho relay
reactance relay

Correct Ans: D

QEE46.What is the purpose of back up protection?

To act in case of failure of primary protection
To increase the reach
To leave no blind spot
To increase the speed

Correct Ans: A

QEE47.A 3-phase transformer of 220/11000 line volts is connected in star/delta with differential protection system. The protective transformers on 220 V side have a current ratio of 500/5. What should be the CT ratio on 11000 V side? Assume that the line current on 220 V side is 300 A.

\(\sqrt{3}\ : 1\)
\(1:\sqrt{3}\)
\(2:\sqrt{3}\)
\(\sqrt{3}:2\)

Correct Ans: C

QEE48.The Unified Power Flow Controller (UPFC) is a combination of………….. and …………….. coupled via a DC link.

STATCOM, SSSC
SVC, TCSC
STATCOM, SVC
TCSC, SSSC

Correct Ans: A

QEE49.The adequateness of protection is judged by considering

Rating of the protected machine
Location of the protected machine
Probability of abnormal condition due to internal and external causes
All of the above

Correct Ans: D

QEE50.The advantage of extra high voltage column isolators is

It requires less ground area.
It is clearly visible from a great distance.
Keeping the fixed contacts alive the moving contacts can be inspected safely.
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?

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.
The bypass diode is connected in parallel to a solar cell but with a polarity opposite to that of the solar cell.
The use of bypass diodes in a solar module can help in reducing the undesired effects of a dysfunctional solar cell.
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:

Use of dielectrics of different permeabilities
Cables using single dielectric in different concentrations
Capacitance required to be introduced at different lengths to counter the effect of inductance
Grading according to capacitance of cables per km length

Correct Ans: A

QEE53.IoT-A stands for ________

Industrial of things Architecture
Internet of Things Architecture
Internet of Things Address
Internet of Things Area

Correct Ans: B

QEE54.Find the voltage drop across the resistor \(R_4 = 50\: \Omega\) for the circuit shown in Fig

Correct Ans: B

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.

Correct Ans: B

QEE56.Consider the following statements and select the correct answer:

Statement 1: The optical voltage transformer (OVT) measures the electric voltage by means of Peltier effect.
Statement 2: The magneto-optical current transformer (MOCT) measures the electric current by means of Faraday effect.

Statement 1 is FALSE and Statement 2 is TRUE
Statement 1 is TRUE and Statement 2 is FALSE
Both Statement 1 and Statement 2 are FALSE
Both Statement 1 and Statement 2 are TRUE

Correct Ans: A

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 hour, 1150 mA
2 hours, 1150 mA
1 hour, 2300 mA
2 hours, 2300 mA

Correct Ans: B

QEE58.Select the incorrect statement about SCADA.

SCADA refers to a system that collects data
from various sensors at a factory, plant or in other remote locations and then sends this data to a central computer which then manages and controls the data.
A SCADA system will only monitor and never make changes to the operations.
Master units are larger computer consoles that act as the central processing hub for the entire SCADA system.
The Master unit offers a human-machine interface to the system and automatically regulate the managed system based on the response of inputs created by sensors.

Correct Ans: B

QEE59.Thyristor Controlled Series Capacitor (TCSC) is a

Series compensation device
Shunt compensation device
Combined Series-Shunt compensation device
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

0.641 lag
0.707 lag
0.97 lag
0.86 lag

Correct Ans: B

QGK1.Which of the following organisations publishes the "Human Development Report"?

United Nations Environment Programme
United Nations Development Programme
International Atomic Energy Agency
World Intellectual Property Organisation

Correct Ans: B

QGK2.Which English political scientist had described the Preamble as the 'keynote' to the Indian Constitution?

Granville Austin
John Stuart Mill
Sir Ernest Barker
Edmund Burke

Correct Ans: C

QGK3.Who presides over the meetings of Municipal Corporation?

Speaker of the state Assembly
Mayor
Municipal Commissioner
District Magistrate

Correct Ans: B

QGK4.What is the expansion of PCR in Biotechnology?

Peptide Chain Reaction
Physical Chain Reaction
Polymerase Chain Reaction
Procedural Chain Reaction

Correct Ans: C

QGK5.COVID-19 Shri Shakti Challenge was organized by MyGov in collaboration with _________.

Shanghai Cooperation Organisation
UN Women
BRICS
World Economic Forum

Correct Ans: B

QGK6.Which part of the brain controls the involuntary actions such as salivation and blood pressure?

Pitutary Gland
Cerebellum
Cerebrum
Medulla

Correct Ans: D

QGK7.When was the order dividing the province of Bengal into two parts issued by Lord Curzon?

1905
1900
1907
1903

Correct Ans: A

QGK8.The Securities and Exchange Board of India was established in the year:

1991
1993
1994
1992

Correct Ans: D

QGK9.In which year was the Gandhi - Irwin Pact signed that consented Gandhiji to participate in the Round Table Conference?

1929
1927
1930
1931

Correct Ans: D

QGK10.In which state "Valley of Flowers National Park" is situated?

Uttarakhand
Punjab
Jammu and Kashmir
Himachal Pradesh

Correct Ans: A

QGL1."કમળ" માટે કયા બે સમાનાર્થી શબ્દો સાચા છે?

પદ્મ, પંકજ
ઇન્દુ,હિમાંશુ
સલિલ, ઉદક
અંશુ, મરીચિ

Correct Ans: A

QGL2."લોહી" શબ્દ પરનો કયો એક રુઢીપ્રયોગ નથી?

લોહીનું પાણી થવું
લોહી ઉક્ળવું
લોહી લાલ થવું
લોહી ચાખવું

Correct Ans: C

QGL3.આપેલા વાક્યોમાંથી ભાવે વાક્ય કયું છે?

રમાથી લાકડું સળગાવાયું.
અમારા બધાથી ગૃહકાર્ય કરવાનું ભૂલી જવાયું.
મારાથી બિલકુલ ન બોલાયું
શિક્ષકથી વિદ્યાર્થીઓને શિક્ષા કરાઈ

Correct Ans: C

QGL4.જોડણી અથવા અનુસ્વારની રીતે વાક્યની શુદ્રતા ચકાસો.

મારા મોટા બહેન શિક્ષક છે.
અમારી પરિક્ષા જુનમાં લેવાશે.

વાક્ય 1 અને વાક્ય 2 બંને ખોટા છે
વાક્ય 1 અને વાક્ય 2 બંને સાચા છે
વાક્ય 1 ખોટું છે અને વાક્ય 2 સાચું છે
વાક્ય 1 સાચું છે અને વાક્ય 2 ખોટું છે

Correct Ans: A

QGL5."આદિ" નો વિરુદ્ધાર્થી શબ્દ જણાવો.

આજનું
નવતર
અંત
પ્રારંભ

Correct Ans: C

QGL6.નીચેના વાક્યોમાં ક્યાં ભૂલ છે તે શોધો.
સજ્જન માણસોનો સંગ હિતકારી બને.

સજ્જન માણસોનો
બને
સંગ
હિતકારી

Correct Ans: A

QGL7.ગોવિંદે માંડી ગોઠડી' સાહિત્યકૃતિના લેખકનું નામ આપો.

કનૈયાલાલ મુનશી
ગુણવંત શાહ
ન્હાનાલાલ
બકુલ ત્રિપાઠી

Correct Ans: D

QGL8.નીચેના વાક્યો ઓળખાવો.
1. તુ સાંજ સુધીમાંઆ પતાવી દેજે.
2. આહા! કાર્યક્રમ ખરેખર અદભૂત હતો, નહિ!

વાક્ય 1 પ્રેરક અને વાક્ય 2 નિષેધ વાક્ય છે
વાક્ય 1 પ્રેરક અને વાક્ય 2 આશ્ચર્ય વાક્ય છે
વાક્ય 1 આજ્ઞાર્થ અને વાક્ય 2 નિષેધ વાક્ય છે
વાક્ય 1 આજ્ઞાર્થ અને વાક્ય 2 આશ્ચર્ય વાક્ય છે

Correct Ans: D

QGL9.નીચેના વાક્યોના પ્રકાર ઓળખો.
1.વૈદ્ય દર્દીની નાડી તપાસે છે.
2. દર્દીવડે દવા લેવાય છે.

વાક્ય 1 કર્મણી અને 2 કર્તરિ છે
વાક્ય 1 અને વાક્ય 2 કર્મણી છે
વાક્ય 1 અને વાક્ય 2 કર્તરિ છે
વાક્ય 1 કર્તરિ અને વાક્ય 2 કર્મણી છે

Correct Ans: D

QGL10.આપેલા વિકલ્પોમાંથી રવાનુકારી શબ્દો શોધો.

ધમ્મર ધમ્મર
આજુબાજુ
કાગળબાગળ
તોડફોડ

Correct Ans: A

QCK1.A ________ is a group of bytes packaged by a network adapter for transmission across the network.

Hub
Form
Frame
Envelope

Correct Ans: C

QCK2.In the _________ all hosts act as both servers and clients and they play both roles.

Clustered Cloud model
Peer-to-Peer Model
Client-Server Model
Hybrid cloud model

Correct Ans: B

QCK3.The translate option which is used to translate the selected text into a different language is available under ____________ tab in Excel.

Formula
Review
Data
Layout

Correct Ans: B

QCK4.Which among the following options in Mail merge helps you to prepare letters in batch for mass mailing?

Form letters
Catalogue letters
Scan letters
Print letters

Correct Ans: A

QCK5.A program loaded into the memory and executing is called ___________.

Multithread
Process
Compilation
Thread

Correct Ans: B

QCK6.ALICE is one of the famous natural language chat bot created using AIML, ALICE stands for _______ .

Artificial Linguistic Internet Computer Entity
Advanced Library Internet Computer Entity
Artificial Learning Internet Computer Entity
Advanced Language Internet Computer Entity

Correct Ans: A

QCK7.__________ technology was developed by Bell Laboratories in 1947, which led to the evolution of second generation computers.

ULSI
Vacuum tube
Transistor
VLSI

Correct Ans: C

QCK8.__________ locates the operating system's kernel and loads it into RAM memory at the time of Startup.

Driver
Firmware
Firewell
Disk Controller

Correct Ans: B

QCK9.In Microsoft Word 2007, which shortcut Key is used to Access Thesaurus?

CTRL+F6
SHIFT+F7
CTRL+SHIFT+E
CTRL+ALT+F8

Correct Ans: B

QCK10.In which among the following memory allocation methods the memory is divided into different blocks?

Partitioned allocation
Paged memory management
Single contiguous allocation
Segmented memory management

Correct Ans: A

QEK1.Choose the best option from the given alternatives which can be substituted for the given word/sentence.

The act of intentionally killing oneself.

Suicide
Genocide
Sororicide
Infanticide

Correct Ans: A

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

A home for children without parents.

Widow
Catastrophe
Orphanage
Sporadic

Correct Ans: C

QEK3.Find the word which is correctly spelt from the given options.

Introvart
Cardiolgist
Erudite
Uninteligible

Correct Ans: C

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

Capacity
Laziness
Inability
Apathy

Correct Ans: A

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

Silence
Upset
Agitation
Bustle

Correct Ans: A

QEK6.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'.

Australian sea lions are fascinating and playful underwater antics that never stop in South Australia’s Port Lincoln.

are fascinating and playful underwater antics whose
is fascinating and playful underwater antics that
The given sentence is correct
fascinating and playful underwater antics that

Correct Ans: C

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

Belligerent
Favorable
Strict
Moderate

Correct Ans: B

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

Dog days.

In small irregular quantities
To make someone angry or irritated
Hot, sultry days
Date on which two couples go together

Correct Ans: C

QEK9.Fill in the blanks with suitable Article from the given alternatives.

__________ Dominic Thiem is an Austrian professional tennis player.

A
No Article
An
The

Correct Ans: B

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

My brother lives ________ the building at the end of the crosscut road.

in
over
across
since

Correct Ans: A

Subject wise analysis

Subject	Number of questions
POWER SYSTEM	58
ELECTRICAL MACHINES	15
ELECTRICAL CIRCUIT ANALYSIS	13
UTILIZATION OF ELECTRICAL ENERGY	3
MEASUREMENT & INSTRUMENTATION	2
GENERAL KNOWLEDGE	9
Total	100

Q1.Which type of air is used in air blast circuit breaker ?

Ionised air
moisture free Air
Air should have the least \(CO_2\)
Air must have oil mist.

Correct Ans: A

Q2.\(SF_6\) gas has an excellent heat transfer property as it possesses

Low gaseous viscosity & Higher molecular weight
Low gaseous viscosity
High dielectric strength
Higher molecular weight

Correct Ans: A

Q3.For transformer stepped cores are used...

to reduce the cu loss
to reduce the core loss
to provide more mechanical strength to the core
to reduce the magnetizing current

Correct Ans: A

Q4.Transformer's action is possible only if there is

alternating magnetic flux
constant magnetic flux
increasing magnetic flux
alternating electric flux

Correct Ans: A

Q5.CRGO laminations in transformer are used to reduce

Both eddy current and hysteresis losses
eddy current loss
Hysteresis loss
Ohmic loss

Correct Ans: A

Q6.As the load on a transformer is increased, the core losses

may decrease or increase according to the nature of the load
Decrease slightly
Increase slightly
Remains constant

Correct Ans: D

Q7.The no load current in a transformer lags the applied voltage by ?

about 75 degree
90 degree
0 degree
about 110 degree

Correct Ans: A

Q8.If a multimeter, set to measure the resistance, is connected to one terminal of primary and the other terminal of secondary of transformer, the reading should be

infinity
zero
zero or infinity
equal to the resistance of the windings

Correct Ans: A

Q9.In a transformer, the tappings are provided on?

H.V. side at the middle
H.V. side at one end of the winding
L.V. side at one end of the winding
L.V. side at the middle

Correct Ans: A

Q10.When a short circuit occurs in transformer windings, the adjoining turns of the same winding experiences.

attractive force
repulsive force
no effect
may be attractive force or repulsive force depending upon the current directions

Correct Ans: A

Q11.In transformers, the noise or hum is produced primarily due to..

loose bolts etc
Improper tightening of core laminations
magnetostriction
Tank walls

Correct Ans: C

Q12.The conductor which is used to give supply at the domestic consumer's terminals is known as

service mains
Distributors
feeder
none

Correct Ans: A

Q13.Galvanized steel wire is usually used as

all
stay wire
structural components
earth wire

Correct Ans: A

Q14.The corona depends upon

all
conductor size
conductor shape
Surface condition of the conductor

Correct Ans: A

Q15.What is the phenomenon of rise in voltage at the receiving end of the open circuited or lightly loaded line is called ?

Ferranti effect
Skin effect
Raman effect
none

Correct Ans: A

Q16.Which of the following is the source of heat generation in cables ?

All
Dielectric losses in cable insulation
Losses in the conductor
Losses in the metallic sheath and armoring

Correct Ans: A

Q17.Which of the following is usually not the voltage generated in India ?

8.8 kV
6.6 kV
11 kV
13.2 kV

Correct Ans: A

Q18.The presence of ozone due to corona is harmful as it

corrodes the material
reduces power factor
gives odor
transfers energy to the ground

Correct Ans: A

Q19.A feeder, in a transmission system, feeds power to

distributors
generating stations
service mains
all

Correct Ans: A

Q20.Which of the following relays is used on long transmission lines ?

Mho's relay
Impedance relay
Reactance relay
none

Correct Ans: A

Q21.A circuit is disconnected by isolators when...

there is no current in the line
line is energized
line is on half load
circuit breaker is not open

Correct Ans: A

Q22.In a substation, which of the following equipments is not installed ?

exciters
series capacitors
shunt reactors
potential transformers

Correct Ans: A

Q23.The frequency of voltage generated, in case of generators ,can be increased by

adjusting the governor
using reactors
increasing the load
reducing the terminal voltage

Correct Ans: A

Q24.For which of the following equipment current rating is not necessary ?

Isolators
Circuit breakers
Load break switch
Circuit breakers and load break switches

Correct Ans: A

Q25.When a conductor carries more current on the surface as compared to core, it is because of ?

skin effect
permeability changes
corona loss
unsymmetrical fault

Correct Ans: A

Q26.In the case of fuel cell, which energy is converted in to electrical energy ?

chemical
thermal
mechanical
solar

Correct Ans: A

Q27.Which of the following are the commercial sources of energy ?

fossil fuels, nuclear, hydroelectric
solar, wind, geothermal
biomass, tidal
none

Correct Ans: A

Q28.The capacitor should be installed

across the terminals of Inductive load
closer to Inductve load
far end from Inductive load
any where in network

Correct Ans: A

Q29.In a pure inductive circuit if the supply frequency is reduced to half, the current will

be doubled
be reduced by half
be four times as high
be reduced to one fourth

Correct Ans: A

Q30.The power factor of a D.C. circuit is always

unity
less than unity
greater than unity
zero

Correct Ans: A

Q31.Ohm is the unit of all of the following except ?

capacitance
inductive reactance
capacitive reactance
resistance

Correct Ans: A

Q32.In a three-phase supply floating neutral is undesirable because it may lead to

unequal line voltages across the load
high voltage across the load
low voltage across the load
balanced voltage across the load

Correct Ans: A

Q33.The power factor of electric bulb is ?

unity
zero
lagging
leading

Correct Ans: A

Q34.Burden of a protective relay is the power

absorbed by the circuit of relay
required to operate the circuit breaker
developed by the relay circuit
none

Correct Ans: A

Q35.Transmission line is protected by designing

both distance protection time graded and current graded over current protection.
magnetic in rush protection
distance protection
time graded and current graded over current protection

Correct Ans: A

Q36.HRC fuses provide best protection against

Short circuits
Lightening
Sparking
Fire

Correct Ans: A

Q37.Which of the following statements is false ?

Station batteries are used only for relay operation
The lightning arresters are generally surge diverters
An impedance relay has maximum fault current when fault occurs at nearby point
A static relay is made up of electronic components

Correct Ans: A

Q38.Full form of I.D.M.T. relay is

Inverse definite minimum time
Inverted differential maximum time
Increased directional minimum time
Integrated definite miniature time

Correct Ans: A

Q39.Our Mother Earth is a

neutrally charged
negatively charged
positively charged
none

Correct Ans: A

Q40.Short circuit currents are due to

all
single line to ground faults
line to line faults
Double line to ground faults

Correct Ans: A

Q41.In substation Interlocking is done between

circuit breaker, isolator and Earth switch
CT, PT and Relay
Insulator, surge diverter and wave trap
none

Correct Ans: A

Q42.Main advantage of a Static relay is

All
Quick response
high sensitivity
small size

Correct Ans: A

Q43.Phase angle error in PT is

angle between primary voltage vector and reversed secondary voltage vector
Difference between primary voltage vector and reversed secondary voltage vector
ratio of primary voltage vector and reversed secondary voltage vector
none

Correct Ans: A

Q44.Most popular isolator is

pantograph type
horizontal break type
vertical break type
bow type

Correct Ans: A

Q45.Pole mounted transformer substation is

Outdoor type
Indoor type
Mounted between poles
Metal enclosed type

Correct Ans: A

Q46.Which of these exhibits non linear resistance?

Thyrite
Coal
Wood
Porcelain

Correct Ans: A

Q47.SIL of Transmission line means

Surge Impedance Loading
Super Insulation Level
Surge Imposed Line
Some Insulated Levels

Correct Ans: A

Q48.At normal atmospheric conditions breakdown strength of air is

3 KV/mm
30 KV/mm
3 KV/m
3 KV/cm

Correct Ans: A

Q49.Main difference between Fuel cell and storage betteries is ?

It doesn't need recharging
They operate at room temperature
They need no maintenance
They are economical

Correct Ans: A

Q50.3Ph 4wire system is generally used for ?

secondary distribution
primary distribution
primary transmission
secondary transmission

Correct Ans: A

Q51.Dielectric strength of transformer oil is

40 KV/mm
40 KV/cm
40 KV/m
40 KV/ppm

Correct Ans: A

Q52.Value of Insulation resistance of winding in standard electrical equipments used in power system should be

1 Megaohm/KV
0.5 Megaohm/KV
10 Megaohm/KV
1.5 Megaohm/KV

Correct Ans: A

Q53.If value of polarizetion index is more, then one quality of insulation is ?

excellent
bad
medium
none

Correct Ans: A

Q54.Which of the following are the Types of Preventive Maintenance ?

Routine and periodic maintenance
Break down and periodic maintenance
Routine and Breakdown maintenance
none

Correct Ans: A

Q55.Growler is used for ?

to find internal faults in armature-commutator
To measure current
to measure Earth's resistance
to measure insulation resistance

Correct Ans: A

Q56.What is the meaning of Earthing, Grounding & Bonding ?

Earthing-directly connected to earth , Grounding-may be connected to earth or
equipotential point, Bonding-connected to equipotential point
Bonding-directly connected to earth, Grounding-may be connected to earth or
equipotential point, Earthing-connected to equipotential point
Earthing-directly connected to earth, Bonding-may be connected to earth or
equipotential point, Grounding-connected to equipotential point
Grounding- directly connected to earth, Earthing-may be connected to earth or
equipotential point, Bonding-connected to equipotential point

Correct Ans: A

Q57.Safety regulation and laws related to electrical work are ?

All
Work men's compensation act,1923
Indian Electricity Suppy act,1948,1956
Factory act,1948 and paymen of wages act,1936

Correct Ans: A

Q58.In a transmission line, what does sag depend upon ?

All
span length
tension in conductors
conductor weight per unit length

Correct Ans: A

Q59.Insulators used on EHT transmission lines are made of

PVC
Porcelain
Glass
Teflon

Correct Ans: B

Q60.Fringing is the phenomenon related to ?

magnetic circuit
capacitive circuit
electronic circuit
superconductive circuit

Correct Ans: A

Q61.Electrical power generation is designed on the basic rules given by ?

Faraday
Edison
Newton
Albert Einstein

Correct Ans: A

Q62.What are the minimum requrements to initiate current flow ?

voltage source and conductor
voltage source, resister and switch
supply and lamp
supply source, ammeter, conductor and a switch

Correct Ans: A

Q63.The ratio of voltage and electric current in a closed circuit..

is almost constant
changes
increases
decrases

Correct Ans: A

Q64.which law relates heat production due to current flowing through the conductor?

Joule's law
Ohm's law
Kelvin's law
Kirchoff's law

Correct Ans: A

Q65.To determine the polarity of the voltage drop across a resister one must know the...?

Direction of flow of current through the resister
Value of current
Value of resistance
Value of EMF

Correct Ans: A

Q66.What is done to protect the machinery from deposition of static charge ?

Frame work is earthed
Machinery is insulated
Machinery is placed in insulated cabins
all

Correct Ans: A

Q67.What does the thumb represent In Fleming's left hand rule ?

Direction of mechanical force
Direction of magnetic field
Direction of EMF
Direction of current

Correct Ans: A

Q68.The safety of electrical appliances and wiring is ensured by providing what ?

All
earthing
insulation
protective equipment like fuse, MCB

Correct Ans: A

Q69.The secondary of a CT is...?

Never left open circuited
Never left short circuited
always kept open circuited
none

Correct Ans: A

Q70.A bus bar is rated by

Current only
Current and voltage only
Frequency only
Current, voltage and frequency

Correct Ans: D

Q71.What is Marshalling Kiosk in power transformer ?

It provides alarms, trip information, controls & indications from main transformer
it is the base on which the transformer rail is provided to place the transformer
It is the device for protection
none

Correct Ans: A

Q72.In a substation which device is used as a carrier communication device ?

Wave trap
CVT
Earth conductor
surge diverter

Correct Ans: A

Q73.Substation land is covered with Stones in order to

To avoid growing of plants and weeds
To avoid fire accident in case of short circuit fault
To provide insulation
All

Correct Ans: D

Q74.Which of the following relay operates when there is a vector difference between two similar electrical quantities ?

Differential relay
Earth fault relay
IDMT relay
Unbalanced relay

Correct Ans: A

Q75.Bimetallic strip present in Thermal relays will have two metal strips having different

Coefficient of expansion
Thermal Conductivity
Specific heat
all

Correct Ans: A

Q76.What is a Buchholz relay ?

Gas operated relay
Current actuated relay
Pressure actuated relay
Temperature actuated relay

Correct Ans: A

Q77.What is a Relay ?

sensing device
breaking device
making device
alarm device

Correct Ans: A

Q78.What is Merz-price protection used for ?

Internal faults
External faults
overloads
short circuits

Correct Ans: A

Q79.The circuit breaker is a switch used for

both make and break operation
break operation
make operation
never make only break operation

Correct Ans: A

Q80.In circuit breaker which unit decides whether the contact will open automatically

Trip unit
Arcing unit
Operating mechanism
Control mechanism

Correct Ans: A

Q81.What is a Booster ?

Series generator
Shunt generator
Compound generator
Induction generator

Correct Ans: A

Q82.The resistance between lightening protection system and earth should be

Almost zero
high
infinite
none

Correct Ans: A

Q83.Electrical surges occur due to

EHV switching and lightning strikes both
EHV switching
Lightning strikes
none

Correct Ans: A

Q84.What of the following is produced due to friction between two elements?

Static electricity
Dynamic electricity
Induced electricity
Mutual electricity

Correct Ans: A

Q85.In case of electric motor energy conversion is ?

from ectrical to mechanical
from mechanical to electrical
from magnetic to static
from static to magnetic

Correct Ans: A

Q86.Which of the following circuit breaker requires less maintenance ?

\(Vacuum\)
\(Air \: blast\)
\(SF_6\)
\(Oil\)

Correct Ans: A

Q87.Which of the following always have more efficiency than 95% ?

transformer
D.C.generator
D.C.motor
synchronous machine

Correct Ans: A

Q88.which of the following generator is used in wind power plants ?

Induction generator
D.C. generator
Synchronous generator
Induction regulator

Correct Ans: A

Q89.For Bulk power transmission over long distance HVDC is preffered because of

minimum line losses
of low cost
no harmonic problems
simple protection schemes

Correct Ans: A

Q90.The Full form of PSM ( related to relay) is

Plug Setting multiplier
Power Setting Multiplier
Pole Soft Medium
Positive Setting Multiplier

Correct Ans: A

Q91.Space satellites obtain the energy from

Solar cells
Fuel cell
Cryogenic storage
Edison cells

Correct Ans: A

Q92.The full-form of B.R.T.S. is?

Bus Rapid Transist System
Bus Ready Transport Service
Bus Regular Transition Supply
Bus Route Travel System

Correct Ans: A

Q93.In India which state produces the maximum amount of salt?

Gujarat
Goa
Kerala
West Bengal

Correct Ans: A

Q94.Who is the vice president of India (Year 2017)?

Mohammad Hamid Ansari
Dr. Pranab Mukharji
Mukhtar Abbas Nakhvi
Yogi Adityanath

Correct Ans: A

Q95.Madam Bhikhaji Kama was the….

The first lady to hoist Indian falg on foreign soil in 1907
The first lady Doctor of India
The first lady poet of India
The first lady army officer of India

Correct Ans: A

Q96.What is GST related to Tax system in India?

Goods and Service Tax
Gold and Sales Tax
General service Tax
Gadget and Smartphones Tax

Correct Ans: A

Q97.Find the odd one out

Conductor
circuit breaker
protective relay
fuse

Correct Ans: A

Q98.About what has ISRO set the world record recently?

Sending 104 setellites in space in one go
Sending 102 setellites in space in one go
Sending 141 setellites in space in one go
Sending 146 setellites in space in one go

Correct Ans: A

Q99.Friction can be reduced by..

sliding to rolling
rolling to sliding
potential energy to kinetic energy
dynamic to static

Correct Ans: A

Q100.Jowmany spikes are there in the Ashok Chakra of our Indian Flag?

Correct Ans: A