Switch Gear The operating time of a circuit breaker is 0.05 sec 0.001 sec 0.2 sec 0.002 sec 0.05 sec 0.001 sec 0.2 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays None of these electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time operation time lag time lead time clearing time operation time lag time lead time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 20 A 10 A 30 A 5 A 20 A 10 A 30 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only Both positive and negative circuit positive circuit only None of these negative circuit only Both positive and negative circuit positive circuit only None of these ANSWER DOWNLOAD EXAMIANS APP