Switch Gear The short circuit in any winding of the transformer is the result of insulation failure mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors earth wires H.R. fuses isolators reactors earth wires H.R. fuses isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when 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 fault occurs on neutral line two or more faults occur simultaneously fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 100 A 200 A 20 A 50 A 100 A 200 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these two voltages two currents ANSWER DOWNLOAD EXAMIANS APP