Switch Gear The relay operating coil is supplied through current transformer None of these power transformer fuse current transformer None of these power transformer fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these wide separation of the opened contacts high speed opening of contacts arc suppressing blow out coils all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to improve line voltage compensate for line inductive reactance None of these compensate for line capacitive reactance improve line voltage compensate for line inductive reactance None of these compensate for line capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays thermal relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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