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