Switch Gear Arc in a circuit breaker behaves as a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc a resistance decreasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as operation time lead time clearing time lag time operation time lead time clearing time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is impedance relay non-directional relay directional relay None of these impedance relay non-directional relay directional relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The torque produced in induction type relay is inversely proportional to the square of the current proportional to the current proportional to square of the current inversely proportional to the current inversely proportional to the square of the current proportional to the current proportional to square of the current inversely proportional to the current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite carbon tungsten silver graphite carbon tungsten silver ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP