Raising the end of the electrode too high or moving it too far ahead of the molten weld pool can cause ____.
A) the weld pool to harden
B) burn-through
C) all of the shielding gas to be blown away from the molten weld pool
D) slag and metal to be deposited ahead of the weld bead

Question

Quizplus · Accepted Answer

Raising the electrode too high or moving it too far ahead can cause the shielding gas to be blown away, exposing the weld pool to the atmosphere and leading to defects.

Raising the End of the Electrode Too High or Moving