Switch Gear The fusing factor is always less than 1 None of these always more than 1 always 1 always less than 1 None of these always more than 1 always 1 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 2 8 4 6 2 8 4 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current overload open circuits short circuits reverse current overload open circuits short circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 200 A 100 A 300 A more than 1000 A 200 A 100 A 300 A 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 All of these None of these insulate the contacts from switch body lubricate the contacts extinguish the arc All of these None of these insulate the contacts from switch body lubricate the contacts extinguish the arc ANSWER DOWNLOAD EXAMIANS APP