Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Transformers Motors Generators Transmission line Transformers Motors Generators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.2 sec 0.002 sec 0.05 sec 0.001 sec 0.2 sec 0.002 sec 0.05 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 4 2 6 8 4 2 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker sf6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf6 circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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