Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure mechanical vibration impulse voltage loose connection insulation failure mechanical vibration impulse voltage loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in phase line neutral wire positive of dc circuit negative of dc circuit phase line neutral wire positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching an electrical circuit 111 switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching and controlling an electrical circuit switching an electrical circuit 111 switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching and controlling an electrical circuit ANSWER DOWNLOAD EXAMIANS APP