Switch Gear To reduce short circuit fault currents......... are used. capacitors reactors resistors None of these capacitors reactors resistors None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two voltages two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when 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 fault occurs on neutral line fault occurs with respect to earthing two or more faults occur simultaneously ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used H.R. fuses earth wires reactors isolators H.R. fuses earth wires reactors isolators ANSWER DOWNLOAD EXAMIANS APP
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