SC Refrigeration Practice Questions - South Carolina Refrigeration Contractor Examination Exam

ACR copper tube is designated by which dimension?

Inside diameter only, same as Schedule 40 steel Outside diameter (for example, 1-1/8 inch ACR has a 1.125 inch OD) Nominal pipe size that is always 1/8 inch smaller than the OD Wall thickness only, with no OD marking

Correct Answer:

Outside diameter (for example, 1-1/8 inch ACR has a 1.125 inch OD)

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