____ results from gas that was dissolved in the molten weld pool, forming bubbles that are trapped as the metal cools to become solid.
A) Inclusions
B) Porosity
C) Undercutting
D) Incomplete fusion

Question

Quizplus · Accepted Answer

Porosity results from gas that was dissolved in the molten weld pool, forming bubbles that are trapped as the metal cools to become solid. Inclusions are foreign substances that are trapped in the weld, undercutting is a groove or notch that is created along the weld joint, and incomplete fusion is a lack of complete melting and joining of the weld.

____ Results from Gas That Was Dissolved in the Molten