Switch Gear A circuit breaker must perform the duty of carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current being closed on to a fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation All of these is quite cheap does not deteriorate with age has high speed of operation All of these is quite cheap does not deteriorate with age ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is proportional to square of the current proportional to the current inversely proportional to the square of the current inversely proportional to the current proportional to square of the current proportional to the current inversely proportional to the square of the current inversely proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of impulse voltage mechanical vibration insulation failure loose connection impulse voltage mechanical vibration insulation failure loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB ANSWER DOWNLOAD EXAMIANS APP
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