MS Ductwork HVAC Practice Questions - Mississippi Ductwork For Heating, A C And Ventilation Contractor Examination Exam

A 12-inch by 12-inch rectangular duct carries air at 800 feet per minute. What is the airflow?

800 cubic feet per minute 400 cubic feet per minute 1,200 cubic feet per minute 96 cubic feet per minute

Correct Answer:

800 cubic feet per minute

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