Switch Gear The relay operating coil is supplied through current transformer fuse None of these power transformer current transformer fuse None of these power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always 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° None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a None of these current controlling device circuit interrupting device current limiting device None of these current controlling device circuit interrupting device current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under None of these full load no load normal conditions None of these full load no load normal conditions 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 6.25 A 3.125 A 25 A 12.5 A 6.25 A 3.125 A 25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
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