Q5/A boiler is capable of generating 8 kg steam per kg of fuel at 400°C. Feed water is supplied at pressure of 30 bar, 40°C and leaves economizer at 150 °C for entering to evaporator. Steam leaves evaporator with dryness fraction of 0.98 and enters the superheater. Fuel used has calorific value of 29000 kJ/kg. Considering no pressure loss inside the boiler determine boiler efficiency and fraction of heat given to steam in each section of boiler. Boiler efficiency = 84.52% % fraction of heat in economiser, evaporator and superheater = 15.01%, 69.89% and 15.1%

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