# Answer to Question #75082 in Thermal Power Engineering for Chris

Question #75082

A rankine cycle has the following operating conditions, steam pressure, 2.5 MPa, steam temperature, 280°C, Exhaust pressure 0.026 MPa, indicated steam rate, 5.45 kg/kwh, mechanical efficiency, 90%. For ideal cycle and engine, calculate (a) thermal efficiency, (b) The engine steam rate, (c) The actual condition of exhaust steam, and (d) The steam flow rate in kg/h for 1 Mw generator output at 94% efficiency. Ans. (a) 28.6%, 28.5%; (b) 4.69 kg/kwh; (c) 86.33%; (d) 6447 kg/h

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