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A piston/cylinder contains 2 lbm of ammonia at 70 F with a
Chapter 3, Problem 301EUP(choose chapter or problem)
Problem 301EUP
A piston/cylinder contains 2 lbm of ammonia at 70 F with a volume of 0.1 ft3, shown in Fig. P3.225. Initially the piston rests on some stops with the top surface open to the atmosphere, P0, so a pressure of 40 lbf/in.2 is required to lift it. To what temperature should the ammonia be heated to lift the piston? If it is heated to saturated vapor, find the final temperature, volume, and the heat transfer.
FIGURE P3.225
Questions & Answers
QUESTION:
Problem 301EUP
A piston/cylinder contains 2 lbm of ammonia at 70 F with a volume of 0.1 ft3, shown in Fig. P3.225. Initially the piston rests on some stops with the top surface open to the atmosphere, P0, so a pressure of 40 lbf/in.2 is required to lift it. To what temperature should the ammonia be heated to lift the piston? If it is heated to saturated vapor, find the final temperature, volume, and the heat transfer.
FIGURE P3.225
ANSWER:
Solution 301 EUP
Step 1 of 7
To find the final temperature, final volume and the heat transfer for a piston cylinder containing ammonia.