# 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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#### Solution Preview

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 ...

#### Solution Summary

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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