Switch Gear Wave trap is used to trap waves of either of the above 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is inversely proportional to the current proportional to the current proportional to square of the current inversely proportional to the square of the current inversely proportional to the current proportional to the current proportional to square of the current inversely proportional to the square of the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against open-circuit faults only both open and short-circuit faults None of these short-circuit faults only open-circuit faults only both open and short-circuit faults None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. None of these capacitors resistors reactors None of these capacitors resistors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases remains same decreases None of these increases remains same decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage peak voltage recovery voltage restriking voltage supply voltage peak voltage recovery voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
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