Switch Gear In a single bus-bar system there will be complete shut down when fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on the bus itself fault occurs on neutral line two or more faults occur simultaneously ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite carbon tungsten silver graphite carbon tungsten silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of steel iron brass silver steel iron brass silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always 1 always more than 1 always less than 1 None of these always 1 always more than 1 always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS