Switch Gear In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time lead time lag time operation time clearing time lead time lag time operation time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A.C. network analyzer is used to solve problems of Load flow and short-circuit Load flow and stability Load flow Load flow, short-circuit and stability Load flow and short-circuit Load flow and stability Load flow Load flow, short-circuit and stability ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity 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 foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these ANSWER DOWNLOAD EXAMIANS APP
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