Switch Gear protection of fuses is generally not used beyond 100 A 20 A 50 A 200 A 100 A 20 A 50 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened manually None of these is opened by remote control opens automatically is opened manually None of these is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for short duty intermittent duty repeated duty over currents short duty intermittent duty repeated duty over currents 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 The time of closing the cycle, in modern circuit breakers is 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by All of these relay H.R.'only rewirable fuse All of these relay H.R.'only rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS