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