Switch Gear The relay operating speed depends upon the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension 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 2 6 4 8 2 6 4 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when 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 fault occurs on neutral line fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in sf 6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon graphite silver tungsten carbon graphite silver tungsten ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS