Engineering Board Exam Reviewer · Thermodynamics · medium
Air at 500 kPa and 1 m3 expands isentropically to 100 kPa. What is the final volume? (k = 1.4)
- 5.000 m3
- 9.518 m3
- 1.584 m3
- 3.157 m3
Answer
D. 3.157 m3
Solution
V2 = V1(P1/P2)1/k = 1(5)1/1.4 = 3.157 m3.
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