When making a root weld with a straight step or "T," how do you get good root fusion to the backing strip?
A) Push the electrode into the root opening.
B) Use a long arc with high amperage.
C) Hold the electrode at a steep leading angle.
D) Change from DCEP to DCEN or AC current.

Question

Quizplus · Accepted Answer

Pushing the electrode into the root opening helps ensure good root fusion to the backing strip by allowing for better penetration and heat concentration at the weld's root.

When Making a Root Weld with a Straight Step or "T