When would higher amperage and short arc length be used to make a root weld?
A) When making a weld in the flat position.
B) When the root gap is small or there is no root gap.
C) For welds made in very thick metal.
D) When making vertical welds on thick plates.

Question

Quizplus · Accepted Answer

Higher amperage and short arc length are used when the root gap is small or there is no root gap to ensure proper penetration and fusion. This is especially important when making root welds in pipe welding or other similar applications where the root gap is small.

When Would Higher Amperage and Short Arc Length Be Used