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A piston / cylinder arrangement with an initial volume of 1 ft^3 contains water at P = 20 psia, T = 320 F. The piston expands against a linear spring until the final temperature and pressure are P = 10 psia, T = 400 F.
D)calculate the work and heat transfer in the process, and report in BTU
I am confused with this problem since it does not state that heat is being added but the temperature increases. Is this implied?
or does the temperature increase due to the decrease in pressure and increase in volume?
D)calculate the work and heat transfer in the process, and report in BTU
I am confused with this problem since it does not state that heat is being added but the temperature increases. Is this implied?
or does the temperature increase due to the decrease in pressure and increase in volume?