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