Switch Gear SF 6 gas Is nontoxic has pungent small is yellow in colour is lighter than air Is nontoxic has pungent small is yellow in colour is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the spring tension the rate of flux built up armature core air gap All of these the spring tension the rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units power frequencies None of these either of the above higher frequencies entering generator or transformer units power frequencies None of these either of the above ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker is opened by remote control opens automatically is opened manually None of these is opened by remote control opens automatically is opened manually None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against 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 both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always 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 leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS