Switch Gear The operating time of a fuse is about 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line None of these prevent excessive currents open the circuit protect the appliance protect the line None of these prevent excessive currents open the circuit protect the appliance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload None of these open circuit, short-circuit and overload overload short-circuit and overload None of these open circuit, short-circuit and overload overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 80 kA 60 kA 35 kA 20 kA 80 kA 60 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these remains same decreases increases None of these remains same decreases increases ANSWER DOWNLOAD EXAMIANS APP