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 lubricate the contacts extinguish the arc None of these All of these insulate the contacts from switch body lubricate the contacts extinguish the arc None of these All of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Transformers Motors Generators Transmission line Transformers Motors Generators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A 1 A 5 A more than 5A 2.5 A 1 A 5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap All of these has high speed of operation does not deteriorate with age is quite cheap All of these has high speed of operation does not deteriorate with age ANSWER DOWNLOAD EXAMIANS APP
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