Switch Gear A circuit breaker must perform the duty of 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 carrying fault current for a short time All of these opening the faulty circuit and breaking the fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple Electronic and bimetallic None of these Both of the listed here Thermocouple Electronic and bimetallic None of these Both of the listed here 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 insulate the contacts from switch body extinguish the arc All of these None of these lubricate the contacts insulate the contacts from switch body extinguish the arc All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by All of these rewirable fuse H.R.'only relay All of these rewirable fuse H.R.'only relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP