Which of the following is true of erosion of the tungsten electrode?
A) Slow erosion results in limited tungsten inclusions in the weld.
B) Erosion can be limited using DCEP current.
C) Erosion can be completely eliminated.
D) The eroded metal does not transfer across the arc.

Question

Quizplus · Accepted Answer

Slow erosion results in limited tungsten inclusions in the weld. However, complete elimination of erosion is not possible and erosion can be limited but not eliminated by using DCEP current. Additionally, eroded metal can transfer across the arc and contaminate the weld.

Which of the Following Is True of Erosion of the Tungsten