Switch Gear The arc voltage produced in AC circuit breaker is always 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° None of these In phase with the arc current 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 protection of fuses is generally not used beyond 100 A 20 A 50 A 200 A 100 A 20 A 50 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite silver tungsten carbon graphite silver tungsten carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current controlling device None of these current limiting device protective device current controlling device None of these current limiting device protective device ANSWER DOWNLOAD EXAMIANS APP
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