Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty intermittent duty short duty over currents repeated duty intermittent duty short duty over currents ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon tungsten graphite silver carbon tungsten graphite silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of kVA voltage current VAR kVA voltage current VAR ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage recovery voltage operating voltage arc voltage surge voltage recovery voltage operating voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
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