Q21. Drive the relationmt Vavg - mg Vg- vgVfg =mf2. Electric power is to be generated in a hydroelectric power plant that receiveswater at a rate of 70 m'/s from an elevation of 65 m using a turbine-generator withan efficiency of 85 percent. When frictional losses in piping are disregarded, theelectric power output of this plant is(a)3.9 MW (b) 38 MW (c) 45 MW(d) 53 MW(e) 65 MW3. What is the difference between the classical and the statistical approaches tothermodynamics?4. Make a control volume around the turbine in the steam power plant in Fig. 1.1and list the flows of mass and energy located there.Flue gasSteamGeneratorTurbineunupCoalSiloChimneyPowergridGasAshpurifierCoalgrinder1separatorGypsumPumpDistrictheatingHeatFlyashexchangerSlagAirFigure 1.1 Schematic diagram of a steam power plant

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2. Electric power is to be generated in a hydroelectric power plant that receives water at a rate of 70 m/s from an elevation of 65 m using a turbine-generator with an efficiency of 85 percent. When frictional losses in piping are disregarded, the electric power output of this plant is (a)3.9 MW (b) 38 MW (c) 45 MW (d) 53 MW (e) 65 MW

2. Electric power is to be generated in a hydroelectric power plant that receives water at a rate of 70 m/s from an elevation of 65 m using a turbine-generator with an efficiency of 85 percent. When frictional losses in piping are disregarded, the electric power output of this plant is (a)3.9 MW (b) 38 MW (c) 45 MW (d) 53 MW (e) 65 MW

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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