Switch Gear An isolator is installed always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 4 6 8 2 4 6 8 2 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on neutral line fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on the bus itself fault occurs on neutral line fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. None of these reactors capacitors resistors None of these reactors capacitors resistors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to open the circuit prevent excessive currents None of these protect the line protect the appliance open the circuit prevent excessive currents None of these protect the line protect the appliance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS