Switch Gear Circuit breakers usually operate under steady state of short circuit current sub-transient state of short circuit current after dc component has ceased transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased transient state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 1 A 2.5 A more than 5A 5 A 1 A 2.5 A more than 5A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current controlling device circuit interrupting device current limiting device None of these current controlling device circuit interrupting device current limiting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of carbon tungsten silver graphite carbon tungsten silver graphite ANSWER DOWNLOAD EXAMIANS APP
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 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 extinguish the arc None of these insulate the contacts from switch body lubricate the contacts All of these extinguish the arc None of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP