Switch Gear To reduce short circuit fault currents......... are used. capacitors reactors None of these resistors capacitors reactors None of these resistors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited ANSWER DOWNLOAD EXAMIANS APP
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 Circuit breakers usually operate under steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases None of these remains same decreases increases None of these remains same decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 20 A 5 A 10 A 30 A 20 A 5 A 10 A ANSWER DOWNLOAD EXAMIANS APP