AZ ROC C-45 Sheet Metal

Arizona ROC C-45 Sheet Metal Examination

DuctsEnglish
Exam overview

Practice session

According to SMACNA HVAC Duct Construction Standards, what is the minimum sheet metal thickness (gauge) required for a 36-inch wide rectangular galvanized steel duct operating at a positive static pressure of 2.0 inches water gauge (in. w.g.) without intermediate transverse reinforcement?

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