Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 28 %. 14 %. None of above 56 %. 28 %. 14 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona loss is ----------------- on hilly areas than as plain areas. less more None of these remain same less more None of these remain same 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 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is circular. elliptical. spiral. none of these. circular. elliptical. spiral. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is conveyors. lubrication oil pumps. coal handling plant. none of above. conveyors. lubrication oil pumps. coal handling plant. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Pelton turbine. Kaplan turbine. Francis turbine. None of above. Pelton turbine. Kaplan turbine. Francis turbine. None of above. ANSWER DOWNLOAD EXAMIANS APP
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