what type of tubing is called by its actual outside diameter instead of its nominal inside diameter?\ntype…

what type of tubing is called by its actual outside diameter instead of its nominal inside diameter?\ntype acr\ntype k\ntype l\ntype m
Answer
Brief Explanations:
Type ACR tubing is typically referred to by its actual outside diameter, while Types K, L, and M copper tubing are usually specified by their nominal inside diameter.
Answer:
A. Type ACR