Switch Gear An isolator is installed as a substitute for circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same increases decreases None of these remains same increases decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB low oil circuit breaker bulk oil circuit breaker air break circuit breaker Sf6 CB low oil circuit breaker bulk oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under normal conditions full load no load None of these normal conditions full load no load None of these 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 insulate the contacts from switch body All of these lubricate the contacts None of these extinguish the arc insulate the contacts from switch body All of these lubricate the contacts None of these extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic None of these is a circle has a linear characteristic has inverse characteristic None of these is a circle has a linear characteristic ANSWER DOWNLOAD EXAMIANS APP
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