Switch Gear The operating time of a circuit breaker is 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by no current flow voltage drop heavy current flow voltage rise no current flow voltage drop heavy current flow voltage rise ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses earth wires ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.001 sec 0.01 sec 0.003 sec 0.10 sec 0.001 sec 0.01 sec 0.003 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it has high speed of operation does not deteriorate with age is quite cheap All of these has high speed of operation does not deteriorate with age is quite cheap All of these ANSWER DOWNLOAD EXAMIANS APP