Switch Gear For the same power, the least size is of oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against short circuits open circuits reverse current overload short circuits open circuits reverse current overload 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 circuit breaker is a None of these circuit interrupting device current controlling device current limiting device None of these circuit interrupting device current controlling device current limiting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts MVA Mw amperes volts MVA Mw amperes ANSWER DOWNLOAD EXAMIANS APP