Switch Gear Current chopping mainly occurs in air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil 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 None of these remains same decreases increases None of these remains same decreases 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 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 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 thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
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