Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited two lines to ground fault line to ground fault line to line fault all three lines short-circuited two lines to ground fault line to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage loose connection insulation failure mechanical vibration impulse voltage loose connection insulation failure mechanical vibration 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 When the circuit breaker operates under fault conditions, the greatest noise is produced in oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by All of these H.R.'only relay rewirable fuse All of these H.R.'only relay rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS