The cfm is found by: ____.

A. cfm (infiltration) = (ACH ÷ HOUSE VOLUME) × 60 min/h
B. cfm (infiltration) = (ACH × HOUSE VOLUME) ÷ 60 min/h
C. cfm (infiltration) = (ACH + HOUSE VOLUME) ÷ 60 min/h
D. cfm (infiltration) = (ACH × HOUSE VOLUME) × 60 min/h


Answer: B

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