Switch Gear If the length of the arc in a circuit breaker increases, its resistance decreases increases remains same None of these decreases increases remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units None of these either of the above power frequencies higher frequencies entering generator or transformer units None of these either of the above power frequencies ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 200 A 100 A 20 A 50 A 200 A 100 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in None of these negative circuit only positive circuit only Both positive and negative circuit None of these negative circuit only positive circuit only Both positive and negative circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.5 sec 0.1 sec 100 micro-second 50 milli-second 0.5 sec 0.1 sec 100 micro-second 50 milli-second 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 lubricate the contacts extinguish the arc All of these insulate the contacts from switch body None of these lubricate the contacts extinguish the arc All of these insulate the contacts from switch body None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS