Switch Gear The single phasing relays are used for the protection of two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts arc suppressing blow out coils high speed opening of contacts all of these wide separation of the opened contacts arc suppressing blow out coils high speed opening of contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high resistance low impedance high impedance low resistance high resistance low impedance high impedance low resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays thermal relays None of these electro-mechanical relays electronic relays thermal relays None of these electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
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