Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally reactance relays impedance relays split-phase relays none of these reactance relays impedance relays split-phase relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to lubricate the contacts extinguish the arc None of these All of these insulate the contacts from switch body lubricate the contacts extinguish the arc None of these All of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the type of circuit breaker both inductance and capacitance of the system the capacitance of the system only the inductance of the system only the type of circuit breaker both inductance and capacitance of the system the capacitance of the system only the inductance of the system only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For interrupting of high voltage and low current, the circuit breaker prefered is vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker vaccum circuit breaker oil circuit breaker all are correct air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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