Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these decreases increases remains same None of these decreases increases remains same ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of higher frequencies entering generator or transformer units either of the above power frequencies None of these higher frequencies entering generator or transformer units either of the above power frequencies None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is always more than 1 always less than 1 always 1 None of these always more than 1 always less than 1 always 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the spring tension All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up armature core air gap ANSWER DOWNLOAD EXAMIANS APP
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