Question: Air is compressed steadily by a compressor from 14.7 psia and 60F to 100 psia and 480F at a rate of 22 lbm/min. Assuming the

Air is compressed steadily by a compressor from 14.7 psia and 60°F to 100 psia and 480°F at a rate of 22 lbm/min. Assuming the surroundings to be at 60°F, determine the minimum power input to the compressor. Assume air to be an ideal gas with variable specific heats, and neglect the changes in kinetic and potential energies.

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