Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 35 kA 20 kA 60 kA 80 kA 35 kA 20 kA 60 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is power factor wave only both current wave and voltage wave voltage wave only current wave only power factor wave only both current wave and voltage wave voltage wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain ANSWER DOWNLOAD EXAMIANS APP