Switch Gear The main function of a fuse is to prevent excessive currents protect the line protect the appliance None of these open the circuit prevent excessive currents protect the line protect the appliance None of these open the circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage mechanical vibration loose connection insulation failure impulse voltage mechanical vibration loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 2 8 6 4 2 8 6 4 ANSWER DOWNLOAD EXAMIANS APP