Switch Gear The operating time of a fuse is about 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against short circuits open circuits reverse current overload short circuits open circuits reverse current overload 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 All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body All of these extinguish the arc lubricate the contacts None of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in Both positive and negative circuit negative circuit only None of these positive circuit only Both positive and negative circuit negative circuit only None of these positive circuit only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of brass steel silver iron brass steel silver iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS