Switch Gear The arc voltage produced in AC circuit breaker is always In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° In phase with the arc current lagging the arc current by 90° None of these leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration insulation failure loose connection impulse voltage mechanical vibration insulation failure loose connection impulse voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have low impedance low resistance high resistance high impedance low impedance low resistance high resistance high impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.001 sec 0.2 sec 0.002 sec 0.05 sec 0.001 sec 0.2 sec 0.002 sec 0.05 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators H.R. fuses reactors earth wires isolators H.R. fuses reactors earth wires ANSWER DOWNLOAD EXAMIANS APP
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