What is the maximum root opening?
A) 1/16 in (1.6 mm)
B) 1/8 in (3 mm)
C) 3/32 in (2.4 mm)
D) 5/32 in (4 mm)

Name: What is the maximum root opening? A) 1/16 in (1.6 mm) B) 1/8 in (3 mm) C) 3/32 in (2.4 mm) D) 5/32 in (4 mm)
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Question

Quizplus · Accepted Answer

The maximum root opening for groove welds is determined by the thickness of the material being welded. For materials up to 1/4 inch (6 mm) thick, the maximum root opening is 1/8 inch (3 mm). Therefore, the best choice is B.

What Is the Maximum Root Opening