Home > Electrical Engineering > Switchgear Protections

Switchgear Protections - Interview Questions and Answers

Prepare for your technical interview with these Switchgear Protections questions.

Ready to test your skills?

Take a timed mock test specifically for Switchgear Protections.

Start Mock Test
31. Shunt capacitance is neglected while considering
A. short transmission line
B. medium transmission line
C. long transmission line
D. medium and long transmission lines
Explanation:
32. The arc voltage produced in A.C. circuit breaker is always
A. in phase with the arc current
B. lagging the arc current by 90"
C. leading the arc current by 90�
D. none of the above
Explanation:
33. The delay fuses are used for the protection of ________ .
A. motors
B. power outlet circuits
C. fluorescent lamps
D. light circuits
Explanation:
34. Circuit breakers are essentially
A. current carrying contacts called electrodes
B. arc extinguishers
C. circuits to break the system
D. transformers to isolate the two systems
Explanation:
35. When a transmission line is energized, the wave that propagates on it is
A. current wave only
B. voltage wave only
C. both (a) and (b)
D. power factor wave only
Explanation:
« Prev1234567891011121314151617181920Next »