Root suck back is caused by the surface tension of the molten metal trying to pull itself into a ball, forming a(n) ____.

Name: Root suck back is caused by the surface tension of the molten metal trying to pull itself into a ball, forming a(n) ____.
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Question

Quizplus · Accepted Answer

Root suck back occurs when the molten metal pulls back from the root surface, creating a concave shape. This can lead to incomplete fusion and lack of root penetration, which can weaken the weld.

Root Suck Back Is Caused by the Surface Tension of the Molten