Switch Gear The arcing contacts in a circuit breaker are made of aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain 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 750 A None of these 1500 A 1500/√3 A 750 A None of these 1500 A 1500/√3 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero None of these unity infinity zero None of these unity infinity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high impedance low impedance high resistance low resistance high impedance low impedance high resistance low resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always 1 always more than 1 always less than 1 None of these always 1 always more than 1 always less than 1 None of these ANSWER DOWNLOAD EXAMIANS APP
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