Switch Gear Arc in a circuit breaker behaves as an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit neutral wire phase line negative of dc circuit positive of dc circuit neutral wire phase line negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the appliance open the circuit protect the line prevent excessive currents None of these protect the appliance open the circuit protect the line prevent excessive currents None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a circuit interrupting device None of these current controlling device current limiting device circuit interrupting device None of these current controlling device current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
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