Q//a 1.173-MW steam power plant of overall efficiency of 32% utilize a steam generator that produces steam at 40bar and 300 °C at a rate of 1.128kg/s. The temperature of the feed water is raised from...

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Extracted text: Q//a 1.173-MW steam power plant of overall efficiency of 32% utilize a steam generator that produces steam at 40bar and 300 °C at a rate of 1.128kg/s. The temperature of the feed water is raised from 40 °C to 125 °C in the economizer and the ambient air is drawn to the boiler at a rate of 2.72 kg/s at 16 °C. The temperature of flue gases leaving the chimney is 150.4 °C and its specific heat is Cp=1.01 kJ/kg.K and the dryness fraction of steam collected in the steam drum is 0.95. The fuel used is of 33000KJ/kg heating value. 1. Determine the boiler efficiency and the equivalence evaporation. 2. Determine the thermal efficiency if the generator efficiency 0.95. 3. Draw the heat balance sheet.