Switch Gear The rated secondary current of current transformer for relays is generally 10 A 20 A 5 A 30 A 10 A 20 A 5 A 30 A 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 air-blast circuit breaker oil circuit breaker all are correct vaccum circuit breaker air-blast circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault opening the faulty circuit and breaking the fault current carrying fault current for a short time All of these being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always 1 always more than 1 always less than 1 None of these always 1 always more than 1 always less than 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc lubricate the contacts All of these insulate the contacts from switch body None of these extinguish the arc lubricate the contacts All of these insulate the contacts from switch body None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used isolators H.R. fuses reactors earth wires isolators H.R. fuses reactors earth wires ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS