Switch Gear Arc in a circuit breaker behaves as an inductive reactance a resistance increasing with voltage rise across the arc a capacitive reactance a resistance decreasing with voltage rise across the arc an inductive reactance a resistance increasing with voltage rise across the arc a capacitive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to improve line voltage None of these compensate for line capacitive reactance compensate for line inductive reactance improve line voltage None of these compensate for line capacitive reactance compensate for line inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a current limiting device current controlling device None of these protective device current limiting device current controlling device None of these protective device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors earth wires H.R. fuses isolators reactors earth wires H.R. fuses isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker rewireable fuse isolator oil circuit breaker air break circuit breaker rewireable fuse isolator oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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