Switch Gear Arc in a circuit breaker behaves as a capacitive reactance a resistance decreasing with voltage rise across the arc an inductive reactance a resistance increasing with voltage rise across the arc a capacitive reactance a resistance decreasing with voltage rise across the arc an inductive reactance a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when 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 fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in positive circuit only none of the listed here negative circuit only Both of the listed here positive circuit only none of the listed here negative circuit only Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas is nontoxic None of these is lighter than air has pungent small is yellow in colour is nontoxic None of these is lighter than air has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.001 sec 0.003 sec 0.10 sec 0.01 sec 0.001 sec 0.003 sec 0.10 sec 0.01 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the appliance protect the line open the circuit prevent excessive currents None of these protect the appliance protect the line open the circuit prevent excessive currents None of these ANSWER DOWNLOAD EXAMIANS APP
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