Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents two or more similar electrical quantities two voltages None of these two currents two or more similar electrical quantities two voltages None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. resistors reactors None of these capacitors resistors reactors None of these capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current transient state of short circuit current after dc component has ceased sub-transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a None of these current limiting device current controlling device protective device None of these current limiting device current controlling device protective device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle has a linear characteristic None of these has inverse characteristic is a circle has a linear characteristic None of these has inverse characteristic ANSWER DOWNLOAD EXAMIANS APP
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