Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage surge voltage recovery voltage operating voltage arc voltage surge voltage recovery voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.5 sec 0.1 sec 50 milli-second 100 micro-second 0.5 sec 0.1 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of current VAR kVA voltage current VAR kVA voltage 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 lag time clearing time operation time lead time lag time clearing time operation time lead time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through fuse current transformer power transformer None of these fuse current transformer power transformer None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors resistors capacitors None of these reactors resistors capacitors None of these ANSWER DOWNLOAD EXAMIANS APP
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