SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

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A duct in a private garage that penetrates the wall or ceiling separating the garage from a dwelling must be continuous, have no openings into the garage, and be constructed of sheet steel not less than:

0.010 inch (about No. 32 gage) 0.0187 inch (No. 26 gage) 0.0575 inch (No. 16 gage) 1/4-inch plywood

Correct Answer:

0.0187 inch (No. 26 gage)

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