Switch Gear To reduce short circuit fault currents......... are used. resistors None of these capacitors reactors resistors None of these capacitors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low cost All of these low melting point high conductivity low cost All of these low melting point high conductivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same increases None of these decreases remains same increases None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always lagging the arc current by 90° leading the arc current by 90° None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° None of these In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload overload None of these open circuit, short-circuit and overload short-circuit and overload overload None of these open circuit, short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
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