1. Consider air entering a compressor with inlet pressure 20 psi and temperature 530R. The air...

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1. Consider air entering a compressor with inlet pressure 20 psi and temperature 530R. The air is isentropically compressed to 195 psi. How much work (in Btu/lbm) does the compressor require, and what is the exit temperature (in R)? Assume constant specific heat (and use the value in your thermodynamics text in this unit set). 1. Consider air entering a compressor with inlet pressure 20 psi and temperature 530R. The air is isentropically compressed to 195 psi. How much work (in Btu/lbm) does the compressor require, and what is the exit temperature (in R)? Assume constant specific heat (and use the value in your thermodynamics text in this unit set).