Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases decreases None of these remains same increases decreases None of these remains same ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 2.5 A 1 A more than 5A 5 A 2.5 A 1 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas has pungent small is yellow in colour is nontoxic None of these is lighter than air has pungent small is yellow in colour is nontoxic None of these is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 20 A 100 A 200 A 50 A 20 A 100 A 200 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under no load normal conditions None of these full load no load normal conditions None of these full load 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 All of these None of these lubricate the contacts insulate the contacts from switch body extinguish the arc All of these None of these lubricate the contacts insulate the contacts from switch body extinguish the arc ANSWER DOWNLOAD EXAMIANS APP
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