Air at 147 psia and 70 degf is compressed adiabatically by


1. Helium is compressed isothermally from 121 kPa(abs) to 301 kPa(abs). Determine the entropy change associated with this process.

2. Air at 14.7 psia and 70 °F is compressed adiabatically by a centrifugal compressor to a pressure of 100 psia. What is the minimum temperature rise possible? Explain.

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Physics: Air at 147 psia and 70 degf is compressed adiabatically by
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