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

On a crimp joint in round metal duct, the male (crimped) end must:

Point against the airflow so the joint acts as a dam Extend at least 1 inch into the adjoining duct in the direction of airflow Be left unsealed so the duct can drain Be fastened with cloth duct tape only

Correct Answer:

Extend at least 1 inch into the adjoining duct in the direction of airflow

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