az-r-45-sheet-metal Practice Test

1Multiple ChoiceSelect all that apply

When fabricating rectangular sheet metal duct, which two of the following factors must be considered to determine the proper gauge (metal thickness) per SMACNA HVAC Duct Construction Standards? (Choose two.)

A.The longest side of the rectangular duct
B.The color of the paint specified for the duct exterior
C.The pressure class (static pressure) the system is designed for
D.The duct seam type (e.g., Pittsburgh lock vs. drive cleat)
E.The brand of HVAC equipment being connected

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