Govt Exams Mock Test FREE | Online Quiz Competition

Q1. Buchholz relay is used for the protection in case of a

Transformer

Synchronous generator

Bus bar

Induction motor

Q2. The per unit value of a 2 ohm resistor at 100 MVA base and 10 kV base voltage is

4 pu

2 pu

1/2 pu

0.2 pu

Q3. An electric arc is a visible plasma discharge between two electrodes that is caused by _____ ionizing gasses in the air.

Electrical voltage

Electrical current

Electrical power

Electrical energy

Q4. The voltages that appears across the breaking contact at the instant of arc extinction is called_______

Restriking Voltage

Recovery Voltage

Active Recovery Voltage

Arc Voltage

Q5. Both voltage and current signals are required for

A plain over current relay

A differential relay

A directional relay

A biased differential relay

Q6. Which method provides cash for the replacement of asset at the end of its useful life?

Straight line depreciation method

Sum of years digits depreciation

Declining balance depreciation

Sinking fund depreciation

Q7. 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

Q8. Per unit of any quantity is defined as

actual value of quantity /base value of quantity in different units

actual value of quantity /base value of quantity in same units

actual value of quantity * base value of quantity in different units

actual value of quantity * base value of quantity in same units

Q9. During the insulation co-ordination in the substation, the lowest insulation strength is at

CTs and PTs

transformer

circuit breaker

bus bar

Q10. A differential amplifier has a differential gain of 20,000. CMRR=80 dB. The common mode gain is

2

1

0.5

0

Quiz

Year 2024

April
Week # 3 Quiz 2

Q1. Buchholz relay is used for the protection in case of a

Q2. The per unit value of a 2 ohm resistor at 100 MVA base and 10 kV base voltage is

Q3. An electric arc is a visible plasma discharge between two electrodes that is caused by _____ ionizing gasses in the air.

Q4. The voltages that appears across the breaking contact at the instant of arc extinction is called_______

Q5. Both voltage and current signals are required for

Q6. Which method provides cash for the replacement of asset at the end of its useful life?

Q7. A circuit is disconnected by isolators when...

Q8. Per unit of any quantity is defined as

Q9. During the insulation co-ordination in the substation, the lowest insulation strength is at

Q10. A differential amplifier has a differential gain of 20,000. CMRR=80 dB. The common mode gain is

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

April Week # 3 Quiz 2

Q1. Buchholz relay is used for the protection in case of a

Q2. The per unit value of a 2 ohm resistor at 100 MVA base and 10 kV base voltage is

Q3. An electric arc is a visible plasma discharge between two electrodes that is caused by _____ ionizing gasses in the air.

Q4. The voltages that appears across the breaking contact at the instant of arc extinction is called_______

Q5. Both voltage and current signals are required for

Q6. Which method provides cash for the replacement of asset at the end of its useful life?

Q7. A circuit is disconnected by isolators when...

Q8. Per unit of any quantity is defined as

Q9. During the insulation co-ordination in the substation, the lowest insulation strength is at

Q10. A differential amplifier has a differential gain of 20,000. CMRR=80 dB. The common mode gain is

Record & Track Your Performance

April
Week # 3 Quiz 2