Switch Gear The operating time of a circuit breaker is 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 1 mega ohms 500 mega ohms 10 mega ohms 100 mega ohms 1 mega ohms 500 mega ohms 10 mega ohms 100 mega ohms 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 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 All of these 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 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 0.8 sec 1.5 sec 1 sec 0.002 sec 0.8 sec 1.5 sec 1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to the current inversely proportional to the current inversely proportional to the square of the current proportional to square of the current proportional to the current inversely proportional to the current inversely proportional to the square of the current proportional to square of the current ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS