Switch Gear The reflection co-efficient at the open circuited end of a transmission line unity infinity None of these zero unity infinity None of these zero 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 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 fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage peak voltage supply voltage recovery voltage restriking voltage peak voltage supply voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload short-circuit and overload None of these overload open circuit, short-circuit and overload short-circuit and overload None of these overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors None of these capacitors reactors resistors None of these capacitors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the appliance None of these protect the line prevent excessive currents open the circuit protect the appliance None of these protect the line prevent excessive currents open the circuit ANSWER DOWNLOAD EXAMIANS APP
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