Question: Repeat Problem 9-60 using constant specific heats at room temperature. Is the constant specific heat assumption reasonable in this case? Problem 9-60 The compression ratio

Repeat Problem 9-60 using constant specific heats at room temperature. Is the constant specific heat assumption reasonable in this case?
Problem 9-60
The compression ratio of an ideal dual cycle is 14. Air is at 100 kPa and 300 K at the beginning of the compression process and at 2200 K at the end of the heat-addition process. Heat transfer to air takes place partly at constant volume and partly at constant pressure, and it amounts to 1520.4 kJ/kg. Assuming variable specific heats for air, determine
(a) The fraction of heat transferred at constant volume and

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