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Engineering, 24.07.2021 14:00 ptrlvn01

a boiler delivers 5400kg of steam per hour at a pressure of 750KN/m^2 and with a dryness fraction of 0.98.The feedwater of the boiler is at a temoerature of 41.5 °c . The coal used for firing the boiler haas a calorific value of 31000KJ/kg and is used at the rate of 670Kg/hr. Determine the thermal efficiency of the boiler and the equivalent evaporation F and A 100 °c .​

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