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. 14 %. 56 %. 28 %. None of above 14 %. 56 %. 28 %. None of above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.75 1 0.6 0.5 0.75 1 0.6 0.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Y bus method Z bus method None of these either 1 or 2 Y bus method Z bus method None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped inductance in parallel addition of lumped capacitance in series increasing its voltage level both 1 and 3 addition of lumped inductance in parallel addition of lumped capacitance in series increasing its voltage level both 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. convert kinetic energy of water. all of above. increase flow rate of water. reduce water hammer. convert kinetic energy of water. all of above. increase flow rate of water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as peak load plant base load plant None of these both 1 and 2 peak load plant base load plant None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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