Switch Gear HRC fuses provide best protection against open circuits short circuits reverse current overload open circuits short circuits reverse current overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used earth wires isolators reactors H.R. fuses earth wires isolators reactors H.R. fuses 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 8 4 2 6 8 4 2 6 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 recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the capacitance of the system only the inductance of the system only both inductance and capacitance of the system the type of circuit breaker the capacitance of the system only the inductance of the system only both inductance and capacitance of the system the type of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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