Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high resistance low resistance low impedance high impedance high resistance low resistance low impedance high impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current limiting device circuit interrupting device None of these current controlling device current limiting device circuit interrupting device None of these current controlling device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time lead time operation time lag time clearing time lead time operation time lag time ANSWER DOWNLOAD EXAMIANS APP
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