Engineering Board Exam Reviewer · Thermodynamics · medium
What is the thermal efficiency of an ideal Otto cycle with a compression ratio of 8? (k = 1.4)
- 56.47%
- 87.50%
- 44.80%
- 94.56%
Answer
A. 56.47%
Solution
= 1 - 1/rk-1 = 1 - 1/80.4 = 56.47%.
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