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

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A domestic clothes-dryer exhaust duct must be metal with a smooth interior and, under the IMC specified-length method, is generally limited to 35 feet from the transition fitting to the outlet, with:

No deductions for elbows Equivalent-length deductions for fittings as required by the code or the dryer's listing PVC Schedule 40 as an equal substitute for the entire run A connection into the garage return duct

Correct Answer:

Equivalent-length deductions for fittings as required by the code or the dryer's listing

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