Switch Gear To limit short-circuit current in a power system are used reactors earth wires isolators H.R. fuses reactors earth wires isolators H.R. fuses ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only rewirable fuse relay All of these H.R.'only rewirable fuse relay All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil air break bulk oil SFe minimum oil air break bulk oil SFe ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° lagging the arc current by 90° In phase with the arc current None of these leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
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