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

Per the 2021 International Mechanical Code, metallic HVAC ducts shall be constructed as specified in which standard?

ASHRAE Standard 62.1 only SMACNA HVAC Duct Construction Standards—Metal and Flexible NFPA 13 ASTM A36 structural steel specification

Correct Answer:

SMACNA HVAC Duct Construction Standards—Metal and Flexible

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