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# How many cfm of free air must the compressor provide?

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Air is used at a rate of 30 cfm from a receiver at 102 degress Farenheit and 155 psi. If the atmospheric conditions are 14.7 psia and 75 degrees farenheit, how many cfm of free air must the compressor provide?

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The expert determines how many cfm of free air must the compressor provide. The ideal gas law is analyzed. The solution provides the formulas and calculations in solving the problem.

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P1 = 155 psi
P2 = 14.7 psia (psi and psia both are equal)
1 psi or psia = 6.89*10^3 Pascal
T1 = 102 degree F ...

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• MSc , Pune University, India
• PhD (IP), Pune University, India
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