Question: 1- A diesel engine has air before compression at 20 C, 65 kPa. The highest temperature is 2000 K and the highest pressure is

1- A diesel engine has air before compression at 20 C, 65

1- A diesel engine has air before compression at 20 C, 65 kPa. The highest temperature is 2000 K and the highest pressure is 5 MPa. Find the compression ratio and the mean effective pressure using cold air properties at 300 K. (c,-1.004, cv=0.717, R=0.287) (25 p)

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