What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute?

A) 2 × 3 = 6 sq feet; 6 × 100 FPM = 600 CFM B) 2 + 3 = 5 sq feet; 5 × 100 FPM = 500 CFM
C) 2 × 3 = 6 sq feet; 100 FPM / 6 = 17 CFM D) 100 CFM


A

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