Multiple Choice
Hey switchgear is device used for
A) Interrupting an electrical circuit
B) Switching an electrical circuit
C) Reaching and controlling an electrical circuit
D) Switching, controlling and protecting the electrical circuit and equipment
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Short-circuit currents are due to<br>A)Single phase to
Q14: Inverse time current relays are used for
Q15: In distance protection, the relay measures<br>A)Negative sequence
Q16: IDMT relays are used to protect the
Q17: For which of the following protection from
Q19: For the protection of power station buildings
Q20: The line insulation is............. the insulation level
Q21: In a contactor, interrupting medium may be<br>A)Air<br>B)Oil<br>C)Sf6
Q22: Large internal faults are protected by<br>A)Merz price
Q23: Minimum working voltage will be least in