Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself fault occurs with respect to earthing fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents None of these protect the appliance open the circuit protect the line prevent excessive currents None of these protect the appliance open the circuit protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line inductive reactance compensate for line capacitive reactance None of these improve line voltage compensate for line inductive reactance compensate for line capacitive reactance None of these improve line voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 80 kA 20 kA 35 kA 60 kA 80 kA 20 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
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