Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as lead time clearing time operation time lag time lead time clearing time operation time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to protect the line protect the appliance prevent excessive currents None of these open the circuit protect the line protect the appliance prevent excessive currents None of these open the circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit neutral wire negative of dc circuit phase line positive of dc circuit neutral wire negative of dc circuit phase line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity unity None of these zero infinity unity None of these zero ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A None of these 750 A 1500 A 1500/√3 A None of these 750 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
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