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Question: the pressure and temperature at the beginning of compression of...

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The pressure and temperature at the beginning of compression of a cold air-standard Diesel cycle are 100 kPa and 300 K, respectively. At the end of the heat addition, the pressure is 7.2 MPa and the temperature is 2250 K. Assume constant specific heats evaluated at 300 K. Determine the compression ratio. There is a +/-5% tolerance.

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