Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of double line to ground fault current line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current line to line fault current symmetrical fault current single line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 20 A 200 A 100 A 50 A 20 A 200 A 100 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of voltage VAR current kVA voltage VAR current kVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened by remote control None of these is opened manually opens automatically is opened by remote control None of these is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum current minimum voltage zero current maximum voltage maximum current minimum voltage zero current maximum voltage ANSWER DOWNLOAD EXAMIANS APP
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