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 insulate the contacts from switch body extinguish the arc lubricate the contacts None of these All of these insulate the contacts from switch body extinguish the arc lubricate the contacts None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in None of these negative circuit only Both positive and negative circuit positive circuit only None of these negative circuit only Both positive and negative circuit positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver carbon tungsten graphite silver carbon tungsten graphite ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two single phase motors running in parallel three phase motors two phase motors only single phase motors only two single phase motors running in parallel three phase motors two phase motors only single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to None of these improve line voltage compensate for line inductive reactance compensate for line capacitive reactance None of these improve line voltage compensate for line inductive reactance compensate for line capacitive reactance ANSWER DOWNLOAD EXAMIANS APP