Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero unity infinity None of these zero unity infinity None of these 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 None of these insulate the contacts from switch body extinguish the arc lubricate the contacts All of these None of these insulate the contacts from switch body extinguish the arc lubricate the contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. air break minimum oil bulk oil SFe air break minimum oil bulk oil SFe ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only None of these open-circuit faults only both open and short-circuit faults short-circuit faults only None of these open-circuit faults only both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 5 A 20 A 10 A 30 A 5 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in negative of dc circuit positive of dc circuit phase line neutral wire negative of dc circuit positive of dc circuit phase line neutral wire ANSWER DOWNLOAD EXAMIANS APP
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