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Steam at 7 bar with a dryness fraction of 0.75 expands in a cylinder behind a piston isometrically to a pressure of 2 bar. Calculate the; 1-change in internal energy. 2-change in enthalpy, for every 1kg of stem. 3-Assuming that heat is supplied during the process is 550 kj/kg, Find the work done per kilogram of steam.

Steam at 7 bar with a dryness fraction of 0.75 expands in a cylinder behind a piston isometrically to a pressure of 2 bar.
Calculate the;
1-change in internal energy.
2-change in enthalpy, for every 1kg of stem.
3-Assuming that heat is supplied during the process is 550 kj/kg, Find the work done per kilogram of steam.

Grade:12

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