Switch Gear To limit short-circuit current in a power system are used H.R. fuses earth wires reactors isolators H.R. fuses earth wires reactors isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 6 8 2 4 6 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always less than 1 None of these always 1 always more than 1 always less than 1 None of these always 1 always more than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current limiting device current controlling device None of these circuit interrupting device current limiting device current controlling device None of these circuit interrupting device ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 1 A 2.5 A 5 A more than 5A 1 A 2.5 A 5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage peak voltage recovery voltage supply voltage restriking voltage peak voltage recovery voltage supply voltage ANSWER DOWNLOAD EXAMIANS APP
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