Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface slow making and breaking of load circuit contacts all of these too low contact pressure foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Motors Generators Transmission line Transformers Motors Generators Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors capacitors None of these resistors reactors capacitors None of these resistors 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 extinguish the arc All of these lubricate the contacts insulate the contacts from switch body None of these extinguish the arc All of these lubricate the contacts insulate the contacts from switch body 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 fuse wire, in DC circuit, is inserted in None of these Both positive and negative circuit positive circuit only negative circuit only None of these Both positive and negative circuit positive circuit only negative circuit only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS