Switch Gear The rating of a circuit breaker is generally determined on the basis of line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current line to line fault current symmetrical fault current single line to ground fault current double line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these short-circuit faults only open-circuit faults only both open and short-circuit faults None of these short-circuit faults only open-circuit faults only both open and short-circuit faults 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 insulate the contacts from switch body None of these lubricate the contacts extinguish the arc All of these insulate the contacts from switch body None of these lubricate the contacts extinguish the arc All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in negative circuit only Both positive and negative circuit positive circuit only None of these negative circuit only Both positive and negative circuit positive circuit only None of these ANSWER DOWNLOAD EXAMIANS APP
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