Switch Gear Minimum arcing voltage will be least in case of tungsten graphite carbon silver tungsten graphite carbon silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil SFe air break bulk oil minimum oil SFe air break bulk oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thick wire many turns of thick wire few turns of thin wire many turns of thin wire few turns of thick wire many turns of thick wire few turns of thin wire many turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault line to ground fault two lines to ground fault all three lines short-circuited line to line fault line to ground fault two lines to ground fault all three lines short-circuited ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP