Switch Gear Wave trap is used to trap waves of power frequencies higher frequencies entering generator or transformer units either of the above None of these power frequencies higher frequencies entering generator or transformer units either of the above None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker None of these opens automatically is opened manually is opened by remote control None of these opens automatically is opened manually is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 25 A 12.5 A 3.125 A 6.25 A 25 A 12.5 A 3.125 A 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 with respect to earthing fault occurs on neutral line fault occurs on the bus itself two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through None of these current transformer power transformer fuse None of these current transformer power transformer fuse ANSWER DOWNLOAD EXAMIANS APP
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