What Problem Might Be Caused If the Root Opening Is

question 29

Multiple Choice

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.

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