Switch Gear To reduce short circuit fault currents......... are used. capacitors None of these resistors reactors capacitors None of these resistors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control None of these opens automatically is opened manually is opened by remote control None of these opens automatically is opened manually 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 None of these extinguish the arc All of these insulate the contacts from switch body lubricate the contacts None of these extinguish the arc All of these insulate the contacts from switch body lubricate the contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip None of these time-delay trip inverse time trip shunt trip None of these time-delay trip inverse time trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only positive circuit only Both positive and negative circuit None of these negative circuit only positive circuit only Both positive and negative circuit None of these 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 operation time clearing time lead time lag time operation time clearing time lead time lag time ANSWER DOWNLOAD EXAMIANS APP
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