Switch Gear Minimum arcing voltage will be least in case of silver tungsten carbon graphite silver tungsten carbon graphite ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have high conductivity low melting point All of these low cost high conductivity low melting point All of these low cost ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of 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 carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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 Wave trap is used to trap waves of None of these either of the above higher frequencies entering generator or transformer units power frequencies None of these either of the above higher frequencies entering generator or transformer units power frequencies ANSWER DOWNLOAD EXAMIANS APP