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 extinguish the arc lubricate the contacts insulate the contacts from switch body None of these All of these extinguish the arc lubricate the contacts insulate the contacts from switch body None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour has pungent small Is nontoxic is lighter than air is yellow in colour has pungent small Is nontoxic is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thick wire many turns of thin wire many turns of thick wire few turns of thin wire few turns of thick wire many turns of thin wire many turns of thick wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of loose connection mechanical vibration impulse voltage insulation failure loose connection mechanical vibration impulse voltage insulation failure ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
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