Switch Gear Current chopping mainly occurs in air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf 6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these remains same increases decreases None of these remains same increases decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of All of these opening the faulty circuit and breaking the fault current carrying fault current for a short time being closed on to a fault All of these opening the faulty circuit and breaking the fault current carrying fault current for a short time being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays thermal relays electro-mechanical relays None of these electronic relays thermal relays electro-mechanical relays None of these ANSWER DOWNLOAD EXAMIANS APP