Question: 7 - 2 0 . Nitrogen at 1 2 0 kPa and 3 0 C is compressed to 6 0 0 kPa in an adiabatic

7-20. Nitrogen at 120 kPa and 30C is compressed to 600 kPa in an adiabatic compressor. Calculate the minimum work needed for this process in kJkg. Answer: 184kJkg
FIGURE P7-90
7 - 2 0 . Nitrogen at 1 2 0 kPa and 3 0 C is

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