Switch Gear To limit short-circuit current in a power system are used earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of many turns of thick wire few turns of thick wire many turns of thin wire few turns of thin wire many turns of thick wire few turns of thick wire many turns of thin wire few turns of thin wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil SFe air break bulk oil minimum oil SFe air break bulk oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of current kVA voltage VAR current kVA voltage VAR 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 lubricate the contacts extinguish the arc insulate the contacts from switch body None of these All of these lubricate the contacts extinguish the arc insulate the contacts from switch body None of these All 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 8 2 4 6 8 2 4 6 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS