Switch Gear Current chopping mainly occurs in oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases remains same None of these increases decreases remains same None of these 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/√3 A None of these 1500 A 750 A 1500/√3 A None of these 1500 A 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 being closed on to a fault All of these 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
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