Helium gas is compressed from 16 psia and 85°F to 120 psia
Chapter 7, Problem 109P(choose chapter or problem)
Problem 109P
Helium gas is compressed from 16 psia and 85°F to 120 psia at a rate of 10 ft3/s. Determine the power input to the compressor, assuming the compression process to be (a) isentropic, (b) polytropic with n= 1.2, (c) isothermal, and (d) ideal two-stage polytropic with n= 1.2.
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