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

question 19

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.

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