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 insulate the contacts from switch body lubricate the contacts All of these None of these extinguish the arc insulate the contacts from switch body lubricate the contacts All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Generators Motors Transformers Transmission line Generators Motors Transformers ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally reactance relays split-phase relays impedance relays none of these reactance relays split-phase relays impedance relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of kVA VAR current voltage kVA VAR current voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are interception, conduction, dissipation and reflection interception and conduction interception None of these interception, conduction and dissipation interception, conduction, dissipation and reflection interception and conduction interception None of these interception, conduction and dissipation ANSWER DOWNLOAD EXAMIANS APP
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