Find compression ratio and the mean effective pressure


An Otto cycle has the lowest temperature of 60degreeF and the lowest P as 12psi. The highest temperature is 4040degreeF and the heat addition is 500 Btu/lbm. Find the compression ratio and the mean effective pressure. Use constant specific heat Cv =.171 Btu/lbm degree R. Is this suitable for modeling a gasoline engine? Comment on any reasons it would or would not be.

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Mechanical Engineering: Find compression ratio and the mean effective pressure
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