Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 6.25 A 12.5 A 25 A 3.125 A 6.25 A 12.5 A 25 A 3.125 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current leading the arc current by 90° None of these lagging the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None 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 short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 always less than 1 None of these always 1 always more than 1 always less than 1 None of these always 1 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a current controlling device current limiting device circuit interrupting device None of these current controlling device current limiting device circuit interrupting device None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS