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 25 A 3.125 A 12.5 A 6.25 A 25 A 3.125 A 12.5 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms 100 mega ohms 1 mega ohms 10 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have low resistance low impedance high impedance high resistance low resistance low impedance high impedance high resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for short duty over currents intermittent duty repeated duty short duty over currents intermittent duty repeated duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap the spring tension the rate of flux built up All of these armature core air gap the spring tension the rate of flux built up All of these ANSWER DOWNLOAD EXAMIANS APP
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