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A closed system containing steam at constant pressure, 250 bar, undergoes a reversible process, during which 450 kJ/kg of heat transfer takes place. The initial dryness fraction and temperature of steam are 1 and 412oC respectively. Determine:(a) (i) its final specific enthalpy;(ii) its final temperature;(iii) its final specific internal energy(b) In the process of compression inside a gas engine, the work done on the gas piston is 110 kJ/kg and the heat rejection to the cooling water is 68 kJ/kg. Calculate the change in internal energy in kJ.(c) Discuss, in details, one of the applications of the engineering thermodynamics principles in Building Services Engineering.
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