A Rankine cycle has the following operating conditions: Steam pressure 2.5 MPa Steam temperature 280C Exhaust pressure 0.026 MPa Indicated steam rate = Mechanical efficiency 90% For Ideal cycle and engine, calculate (a) the thermal efficiency, calculate: (a) the thermal efficiency, (b) the engine steam rate, (c)) the actual condition of exhaust steam, and (d) the steam flow rate in ka/h for 1 MW generator output at 94% efficiency. Answer: (a) 28.6 % , 28.5 % , ( b) 4.69 kg/kW-h, (c) 86.33 %, (d) 6447 5.45 kg/kW-h