NV C-13 Sheet Metal Practice Questions - Nevada C-13 Sheet Metal Contractor Examination Exam

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How are airflow (CFM), average velocity (FPM), and internal cross-sectional area (square feet) related in a sheet-metal duct?

CFM equals velocity plus area CFM equals velocity divided by area CFM equals area times velocity (Q = A × V) CFM equals area minus velocity

Correct Answer:

CFM equals area times velocity (Q = A × V)

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