Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence zero sequence any of the above positive sequence negative sequence zero sequence any of the above positive sequence 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 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are 200, 100 175, 125 100, 200 150, 150 200, 100 175, 125 100, 200 150, 150 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be 720 MW. 740 MW. 710 MW. 730 MW. 720 MW. 740 MW. 710 MW. 730 MW. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Nuclear plant. Hydroelectric plant. Steam plant. Diesel plant. Nuclear plant. Hydroelectric plant. Steam plant. Diesel plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? None of these Both power and telecommunication lines Power line either 1 or 2 None of these Both power and telecommunication lines Power line either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
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