Govt Exams Mock Test FREE | Online Quiz Competition

Q1. For a given load, the armature current of a synchronous motor will be minimum if the power factor is

Unity

0.8 leading

0.8 lagging

0.6 lagging

Q2. Which of the following connections is best suited for 3-phase, 4-wire service?

Delta-Delta

Star-Star

Delta-Star

Star-Delta

Q3. If the % reactance upto the fault point is 20%, then the short circuit current will be

2 times the full load current.

20 times the full load current.

10 times the full load current.

5 times the full load current.

Q4. In _________, the Ministry of Power, government of India formally launched ECBC(Energy Conservation Building Codes) for its voluntary adoption in the country.

June 2007

May 2007

April 2007

March 2007

Q5. Which DC motor is generally preferred for cranes and hoists?

DC Shunt motor

Cumulatively compounded motor

Differentially compounded motor

DC Series motor

Q6. In a transformer the energy is conveyed from primary to secondary

Through cooling coil

Through air

By the flux

None of the above

Q7. ___________ directly converts temperature into voltage.

Thermocouple

Potentiometer

Gear train

LVDT

Q8. In which part of the transmission system do faults occur most frequently

Transformers

Alternators

Overhead lines

Underground cables

Q9. The intrinsic carrier density is \(1.5 \times 10^{16}\: m^{-3}\). If the mobility of electron and hole are 0.12 and 0.04 \(m^2 V^{-1}s^{-1}\), Its conductivity is _______ \(\Omega^{-1}m^{-1}\).

\(3.84\times10^{-4}\)

\(3.84\times10^{-3}\)

\(384\times10^{-3}\)

\(384\times10^{-4}\)

Q10. Consider a long, two-wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and the distance between their centers is L meters. If this distance is doubled, the inductance per unit length

Doubles

Halves

Increase but does not double

Decrease but does not halve

Quiz

Year 2024

March
Week # 4 Quiz 1

Q1. For a given load, the armature current of a synchronous motor will be minimum if the power factor is

Q2. Which of the following connections is best suited for 3-phase, 4-wire service?

Q3. If the % reactance upto the fault point is 20%, then the short circuit current will be

Q4. In _________, the Ministry of Power, government of India formally launched ECBC(Energy Conservation Building Codes) for its voluntary adoption in the country.

Q5. Which DC motor is generally preferred for cranes and hoists?

Q6. In a transformer the energy is conveyed from primary to secondary

Q7. ___________ directly converts temperature into voltage.

Q8. In which part of the transmission system do faults occur most frequently

Q9. The intrinsic carrier density is \(1.5 \times 10^{16}\: m^{-3}\). If the mobility of electron and hole are 0.12 and 0.04 \(m^2 V^{-1}s^{-1}\), Its conductivity is _______ \(\Omega^{-1}m^{-1}\).

Q10. Consider a long, two-wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and the distance between their centers is L meters. If this distance is doubled, the inductance per unit length

Quiz

Year 2024

July Week # 1 Expire on 31 Jul 2024

July Week # 2 Expire on 07 Aug 2024

July Week # 3 Expire on 14 Aug 2024

July Week # 4 Expire on 21 Aug 2024

March Week # 4 Quiz 1

Q1. For a given load, the armature current of a synchronous motor will be minimum if the power factor is

Q2. Which of the following connections is best suited for 3-phase, 4-wire service?

Q3. If the % reactance upto the fault point is 20%, then the short circuit current will be

Q4. In _________, the Ministry of Power, government of India formally launched ECBC(Energy Conservation Building Codes) for its voluntary adoption in the country.

Q5. Which DC motor is generally preferred for cranes and hoists?

Q6. In a transformer the energy is conveyed from primary to secondary

Q7. ___________ directly converts temperature into voltage.

Q8. In which part of the transmission system do faults occur most frequently

Q9. The intrinsic carrier density is \(1.5 \times 10^{16}\: m^{-3}\). If the mobility of electron and hole are 0.12 and 0.04 \(m^2 V^{-1}s^{-1}\), Its conductivity is _______ \(\Omega^{-1}m^{-1}\).

Q10. Consider a long, two-wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and the distance between their centers is L meters. If this distance is doubled, the inductance per unit length

Record & Track Your Performance

March
Week # 4 Quiz 1