Power Systems In Francis turbine runner, the number blades is usually of the order of 12 - 14. 3 - 6. 16 - 24. 6 - 8. 12 - 14. 3 - 6. 16 - 24. 6 - 8. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 16. 24. 6. 12. 16. 24. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss in boiler. low steam turbine mechanical efficiency. low alternative efficiency. high energy loss from turbine exhaust to condenser. high energy loss in boiler. low steam turbine mechanical efficiency. low alternative efficiency. high energy loss from turbine exhaust to condenser. ANSWER DOWNLOAD EXAMIANS APP
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. 28 %. None of above 14 %. 56 %. 28 %. None of above 14 %. 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of delta connected network any of the above star connected network star connected with grounding network delta connected network any of the above star connected network star connected with grounding network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? unequal ice loading All of these increase string efficiency increase power factor unequal ice loading All of these increase string efficiency increase power factor ANSWER DOWNLOAD EXAMIANS APP
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