Engineering Board Exam Reviewer · Thermodynamics · medium
A gas is compressed from 100 kPa and 1 m3 to 800 kPa and 0.2 m3. What is the polytropic exponent n of the process?
- 1.292
- 1.600
- 1.400
- 0.774
Answer
A. 1.292
Solution
P1V1n = P2V2n n = (P2/P1)/ (V1/V2) = 8/ 5 = 1.292.
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