Switch Gear Directional relay are based on flow of voltage wave All of these current power voltage wave All of these current power ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when 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 two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to None of these protect the appliance prevent excessive currents open the circuit protect the line None of these protect the appliance prevent excessive currents open the circuit protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is None of these isolator circuit breaker relay None of these isolator circuit breaker relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line unity zero infinity None of these unity zero infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under steady state of short circuit current transient state of short circuit current sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current sub-transient state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP