Switch Gear Arc in a circuit breaker is interrupted at maximum voltage zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up armature core air gap the spring tension ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by relay H.R.'only rewirable fuse All of these relay H.R.'only rewirable fuse All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? distilled water carbon tetrachloride sulphur hexafluoride transformer oil distilled water carbon tetrachloride sulphur hexafluoride transformer oil 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 extinguish the arc All of these insulate the contacts from switch body lubricate the contacts None of these extinguish the arc All of these insulate the contacts from switch body lubricate the contacts None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance low melting point and high specific resistance Low melting point and low specific resistance low melting point and any specific resistance high melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
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