Switch Gear The operating time of a fuse is about 0.8 sec 1 sec 1.5 sec 0.002 sec 0.8 sec 1 sec 1.5 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage surge voltage recovery voltage operating voltage arc voltage surge voltage recovery voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under normal conditions None of these full load no load normal conditions None of these full load no load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS