Switch Gear To limit short-circuit current in a power system are used earth wires reactors isolators H.R. fuses earth wires reactors isolators H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A 5 A more than 5A 1 A 2.5 A 5 A more than 5A 1 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. reactors None of these resistors capacitors reactors None of these resistors capacitors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays None of these electro-mechanical relays thermal relays electronic relays None of these electro-mechanical relays thermal relays ANSWER DOWNLOAD EXAMIANS APP