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A cylinder containing 1 kg of ammonia has an externally
Chapter 3, Problem 170HP(choose chapter or problem)
Problem 170HP
A cylinder containing 1 kg of ammonia has an externally loaded piston. Initially the ammonia is at 2 MPa and 180°C. It is now cooled to saturated vapor at 40°C and then further cooled to 20°C, at which point the quality is 50%. Find the total work and the heat transfer for the process, assuming a piecewise linear variation of P versus V.
Questions & Answers
QUESTION:
Problem 170HP
A cylinder containing 1 kg of ammonia has an externally loaded piston. Initially the ammonia is at 2 MPa and 180°C. It is now cooled to saturated vapor at 40°C and then further cooled to 20°C, at which point the quality is 50%. Find the total work and the heat transfer for the process, assuming a piecewise linear variation of P versus V.
ANSWER:
Solution
Step 1 of 5
In this problem, we have to find the total work and the heat transfer for the process.