Multiple Choice
When making a root weld with a straight step or "T", how do you get good root fusion to the backing strip?
A) By pushing the electrode into the root opening.
B) By using a long arc with high amperage.
C) By holding the electrode at a steep leading angle.
D) By changing from DCEP to DCEN or AC current.
Correct Answer:
Verified
Correct Answer:
Verified
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