Switch Gear The arcing contacts in a circuit breaker are made of porcelain electrolytic copper copper tungsten alloy aluminium alloy porcelain electrolytic copper copper tungsten alloy aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A more than 5A 1 A 2.5 A 5 A more than 5A 1 A 2.5 A 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 extinguish the arc None of these lubricate the contacts All of these insulate the contacts from switch body extinguish the arc None of these lubricate the contacts All of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line inductive reactance improve line voltage compensate for line capacitive reactance None of these compensate for line inductive reactance improve line voltage compensate for line capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse rating is expressed in terms of voltage kVA VAR current voltage kVA VAR current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against open-circuit faults only short-circuit faults only both open and short-circuit faults None of these open-circuit faults only short-circuit faults only both open and short-circuit faults None of these ANSWER DOWNLOAD EXAMIANS APP
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