Power Systems Rankine cycle efficiency of a steam power plant is of 45 - 80 %. 30 - 45 %. 20 - 30 %. 60 - 80 %. 45 - 80 %. 30 - 45 %. 20 - 30 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant used as load frequency control operating time is minimum All of these most economical as a peak load supply plant used as load frequency control operating time is minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.025 0.05 0.25 0.02 0.025 0.05 0.25 0.02 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
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