Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through None of these power transformer current transformer fuse None of these power transformer current transformer fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of single line to ground fault current double line to ground fault current line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current line to line fault current symmetrical fault current ANSWER DOWNLOAD EXAMIANS APP
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