Switch Gear The arc voltage produced in AC circuit breaker is always None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for interrupting an electrical circuit switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching an electrical circuit 111 interrupting an electrical circuit switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment switching an electrical circuit 111 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units None of these power frequencies either of the above higher frequencies entering generator or transformer units None of these power frequencies either of the above ANSWER DOWNLOAD EXAMIANS APP
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