Switch Gear The operating time of a circuit breaker is 0.2 sec 0.002 sec 0.001 sec 0.05 sec 0.2 sec 0.002 sec 0.001 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 100 micro-second 0.1 sec 50 milli-second 0.5 sec 100 micro-second 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 30 A 20 A 10 A 5 A 30 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays thermal relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 always 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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