Switch Gear The arc voltage produced in AC circuit breaker is always None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is isolator relay None of these circuit breaker isolator relay None of these circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current limiting device protective device None of these current controlling device current limiting device protective device None of these current controlling device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A 25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors resistors None of these capacitors reactors resistors None of these capacitors ANSWER DOWNLOAD EXAMIANS APP
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