Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously fault occurs on neutral line fault occurs with respect to earthing fault occurs on the bus itself two or more faults occur simultaneously ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop heavy current flow no current flow voltage rise voltage drop heavy current flow no current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse performs circuit interruption function only both detection and interruption functions None of these detection function only circuit interruption function only both detection and interruption functions None of these detection function only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as operation time clearing time lead time lag time operation time clearing time lead time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
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