Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct air-blast circuit breaker oil circuit breaker vaccum circuit breaker all are correct ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the spring tension armature core air gap the rate of flux built up All of these the spring tension armature core air gap the rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for over currents intermittent duty short duty repeated duty over currents intermittent duty short duty repeated duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to line fault line to ground fault two lines to ground fault all three lines short-circuited line to line fault line to ground fault two lines to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high resistance low impedance high impedance low resistance high resistance low impedance high impedance low resistance ANSWER DOWNLOAD EXAMIANS APP