Switch Gear When transmission line is energized, the wave that propagates on it is voltage wave only both current wave and voltage wave power factor wave only current wave only voltage wave only both current wave and voltage wave power factor wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is line to line fault two lines to ground fault all three lines short-circuited line to ground fault line to line fault two lines to ground fault all three lines short-circuited line to ground fault 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 extinguish the arc lubricate the contacts None of these All of these insulate the contacts from switch body extinguish the arc lubricate the contacts None of these All of these insulate the contacts from switch body ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage restriking voltage peak voltage recovery voltage supply voltage restriking voltage peak voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at maximum voltage minimum voltage maximum current zero current maximum voltage minimum voltage maximum current zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only ANSWER DOWNLOAD EXAMIANS APP
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