Switch Gear The making capacity of a circuit breaker is equal to √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc lubricate the contacts None of these insulate the contacts from switch body All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of sf6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker sf6 circuit breaker air-blast circuit breaker oil circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty intermittent duty over currents short duty repeated duty intermittent duty over currents short duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse performs both detection and interruption functions None of these circuit interruption function only detection function only both detection and interruption functions None of these circuit interruption function only detection function only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a None of these current controlling device protective device current limiting device None of these current controlling device protective device current limiting device ANSWER DOWNLOAD EXAMIANS APP
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