Switch Gear A fuse is never inserted in phase line positive of dc circuit negative of dc circuit neutral wire phase line positive of dc circuit negative of dc circuit neutral wire ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is both current wave and voltage wave voltage wave only power factor wave only current wave only both current wave and voltage wave voltage wave only power factor wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of Mw volts amperes MVA Mw volts amperes MVA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A 100 A more than 1000 A 300 A 200 A 100 A more than 1000 A 300 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 lubricate the contacts All of these None of these extinguish the arc insulate the contacts from switch body lubricate the contacts All of these None of these extinguish the arc insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite carbon tungsten silver graphite carbon tungsten silver ANSWER DOWNLOAD EXAMIANS APP
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