Switch Gear The device that detects the fault in a power system is circuit breaker relay None of these isolator circuit breaker relay None of these isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration loose connection impulse voltage insulation failure mechanical vibration loose connection impulse voltage insulation failure 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 time of closing the cycle, in modern circuit breakers is 0.01 sec 0.10 sec 0.001 sec 0.003 sec 0.01 sec 0.10 sec 0.001 sec 0.003 sec 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
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