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Switchgear and Protection

A fuse is connected_______________?

August 11, 2021December 17, 2018 by QuizMaster
A fuse is connected_______________?

A. in series with circuit
B. in parallel with circuit
C. either in series or in parallel with circuit
D. none of the above

Categories Switchgear and Protection

The steady state stability of the power system can be increased by_____________?

August 11, 2021December 17, 2018 by QuizMaster
The steady state stability of the power system can be increased by_____________?

A. connecting lines in parallel
B. connecting lines in series
E. using machines of high impedance
D. reducing the excitation of machines
E. none of the above

Categories Switchgear and Protection

Series capacitors are used to_________________?

August 11, 2021December 17, 2018 by QuizMaster
Series capacitors are used to_________________?

A. compensate for line inductive reactance
B. compensate for line capacitive reactance
C. improve line voltage
D. none of the above

Categories Switchgear and Protection

The torque produced in induction type relay (shaded pole structure) is_____________?

August 11, 2021December 17, 2018 by QuizMaster
The torque produced in induction type relay (shaded pole structure) is_____________?

A. inversely proportional to the current
B. inversely proportional to the square of the current
C. proportional to the current
D. proportional to square of the current

Categories Switchgear and Protection

Admittance relay is __________ relay?

August 11, 2021December 17, 2018 by QuizMaster
Admittance relay is __________ relay?

A. impedance
B. directional
C. non-directional
D. none of the above

Categories Switchgear and Protection

Air blast circuit breakers for 400 kV power system are designed to operate in_______________?

August 11, 2021December 17, 2018 by QuizMaster
Air blast circuit breakers for 400 kV power system are designed to operate in_______________?

A. 100 microsecond
B. 50 millisecond
C. 0.5 sec
D. 0.1 sec

Categories Switchgear and Protection

The fuse wire, in D.C. circuits, is inserted in____________?

August 11, 2021December 17, 2018 by QuizMaster
The fuse wire, in D.C. circuits, is inserted in____________?

A. negative circuit only
B. positive circuit only
C. both (A) and (B)
D. either (A) or (B)

Categories Switchgear and Protection

A fuse is never inserted in____________?

August 11, 2021December 17, 2018 by QuizMaster
A fuse is never inserted in____________?

A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine

Categories Switchgear and Protection

A switchgear is device used for_____________?

August 11, 2021December 17, 2018 by QuizMaster
A switchgear is device used for_____________?

A. interrupting an electrical circuit
B. switching an electrical circuit 111.
C. switching and controlling an electrical circuit
D. switching, controlling and protecting the electrical circuit and equipment

Categories Switchgear and Protection

The information to the circuit breaker under fault conditions is provided by____________?

August 11, 2021December 17, 2018 by QuizMaster
The information to the circuit breaker under fault conditions is provided by____________?

A. relay
B. rewirable fuse
C. H.R.C. only
D. all of the above

Categories Switchgear and Protection
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