Switch Gear A circuit breaker must perform the duty of All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units either of the above None of these power frequencies higher frequencies entering generator or transformer units either of the above None of these power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low melting point low cost All of these high conductivity low melting point low cost All of these high conductivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker all are correct vaccum circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 6 4 2 8 6 4 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS