Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against open circuits short circuits overload reverse current open circuits short circuits overload reverse current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under None of these normal conditions no load full load None of these normal conditions no load full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors isolators earth wires H.R. fuses reactors isolators earth wires H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
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