Using the percentage of design flow method, a system that leaks 100 CFM in a system with a design flow of 1,200 CFM has a leakage rate of:

A) 1,200 CFM/100 CFM = 12% leakage rate.
B) 100 CFM/1,200 CFM = 8% leakage rate.
C) 1,200 CFM - 100 CFM = 11% leakage rate.
D) 100 CFM/(1,200 CFM - 100 CFM) = 9% leakage rate.


B

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