Air is compressed in a steady-flow compressor via a

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Air is compressed in a steady-flow compressor via a polytropic process from 15 psia and 60ºF (State 1) to 75 psia and 294ºF (State 2).

(a) Calculate the specific work (Btu/lbm) for the compressor.

(b) Determine the specific heat transfer (Btu/lbm) for the compressor.

(d) What do the areas under the process curve on the P-v and T-s diagram represent?

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