Power Systems Which of the following statements is true? Corona loss increases with decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is 1 greater than 1 less than 1 0 1 greater than 1 less than 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 102.5 85.5 95.5 105.2 102.5 85.5 95.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of long transmission lines. short length lines. no length criterion. medium length lines. long transmission lines. short length lines. no length criterion. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 78.96 %. 80.25 %. 79.33 %. 74.56 %. 78.96 %. 80.25 %. 79.33 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
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