Switch Gear Which of the following is used in liquid fuses ? distilled water transformer oil sulphur hexafluoride carbon tetrachloride distilled water transformer oil sulphur hexafluoride carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults short-circuit faults only None of these open-circuit faults only both open and short-circuit faults short-circuit faults only None of these open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current sub-transient state of short circuit current after dc component has ceased steady state of short circuit current transient state of short circuit current sub-transient state of short circuit current after dc component has ceased steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum current minimum voltage maximum voltage zero current maximum current minimum voltage maximum voltage zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is inversely proportional to the square of the current inversely proportional to the current proportional to the current proportional to square of the current inversely proportional to the square of the current inversely proportional to the current proportional to the current proportional to square of the current 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 None of these lubricate the contacts extinguish the arc All of these insulate the contacts from switch body None of these lubricate the contacts extinguish the arc All of these ANSWER DOWNLOAD EXAMIANS APP
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