Multiple Choice
For protection of rotating machines against lightning surge .............is used
A) Lightning arrester
B) Capacitor
C) Combination of lightning arrester and a capacitor
D) Lightning conductor and arrester
Correct Answer:
Verified
Correct Answer:
Verified
Q15: The main function of under voltage protective
Q16: For the protection of transformers, harmonic restraint
Q17: The most commonly used method for the
Q18: As soon as a fault develops in
Q19: In a balanced voltage pilot wire protection
Q20: The frequency of carrier transmitted by microwave
Q21: In a balanced voltage pilot-wire protection scheme,
Q23: Problems associated with differential protection is/are<br>A)Magnetising inrush
Q24: The frequency of carrier in the carrier
Q25: Pilot-wire protection scheme is the most economical