Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker Sf6 CB low oil circuit breaker bulk oil circuit breaker air break circuit breaker Sf6 CB low oil circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current open circuits overload short circuits reverse current open circuits overload short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf 6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP