Switch Gear Air blast circuit breaker is used for short duty repeated duty over currents intermittent duty short duty repeated duty over currents intermittent duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity economy and simplicity good selectivity and reliability All of these high speed and selectivity economy and simplicity good selectivity and reliability All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in Both of the listed here negative circuit only none of the listed here positive circuit only Both of the listed here negative circuit only none of the listed here positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS