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A diesel engine has a pre-compression state of 95 kPa and 290 K, and maximum temperature and pressure of 2200 K and 5 MPa, respectively.

A diesel engine has a pre-compression state of 95 kPa and 290 K, and maximum temperature and pressure of 2200 K and 5 MPa, respectively. Determine the compression ratio and efficiency of the cycle using both air-standard and cold air standard approaches.

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