What problem might be caused if the root opening is larger than normal?
A) More filler metal will be needed, and the heat-affected zone will be larger.
B) You might have to use a higher amperage setting to melt both sides of the root to get good fusion.
C) Using a very short arc will help solve the problem.
D) Nothing if you are a good welder and can fill the larger gap.

Question

Quizplus · Accepted Answer

A larger root opening would require more filler metal to achieve proper fusion, which could result in a larger heat-affected zone.

What Problem Might Be Caused If the Root Opening Is