Switch Gear HRC fuses provide best protection against reverse current overload short circuits open circuits reverse current overload short circuits open circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always 1 always more than 1 None of these always less than 1 always 1 always more than 1 None of these always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker None of these is opened manually opens automatically is opened by remote control None of these is opened manually opens automatically is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against None of these overload open circuit, short-circuit and overload short-circuit and overload None of these overload open circuit, short-circuit and overload short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to All of these extinguish the arc insulate the contacts from switch body lubricate the contacts None of these All of these extinguish the arc insulate the contacts from switch body lubricate the contacts None of these 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 2 8 4 6 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
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