Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time operation time lag time clearing time lead time operation time lag time clearing time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.002 sec 0.2 sec 0.001 sec 0.05 sec 0.002 sec 0.2 sec 0.001 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 20 A 5 A 10 A 30 A 20 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of current kVA voltage VAR current kVA voltage VAR ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current controlling device current limiting device None of these protective device current controlling device current limiting device None of these protective device ANSWER DOWNLOAD EXAMIANS APP
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