Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to extinguish the arc insulate the contacts from switch body lubricate the contacts None of these All of these extinguish the arc insulate the contacts from switch body lubricate the contacts None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 10 A 5 A 20 A 30 A 10 A 5 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage rise heavy current flow voltage drop no current flow voltage rise heavy current flow voltage drop ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A.C. network analyzer is used to solve problems of Load flow and short-circuit Load flow, short-circuit and stability Load flow Load flow and stability Load flow and short-circuit Load flow, short-circuit and stability Load flow Load flow and stability ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker must perform the duty of opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault opening the faulty circuit and breaking the fault current All of these carrying fault current for a short time being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
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