Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 20 kV 83.76 kV 52.84 kV 48.36 kV 20 kV 83.76 kV 52.84 kV 48.36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true None of above. R/L = C/G. R = O, G = O. R/L = G/C. None of above. R/L = C/G. R = O, G = O. R/L = G/C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is less than 1 0 greater than 1 1 less than 1 0 greater than 1 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. leading the arc current by 90°. in phase opposition with the arc current. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7166.67 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power station that does not requier any moving part is Wind power generation. Tidal power generation. Thermonic convertor. Solar power generation. Wind power generation. Tidal power generation. Thermonic convertor. Solar power generation. ANSWER DOWNLOAD EXAMIANS APP
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