Which of the following is true of erosion of the tungsten electrode?
A) Erosion can be completely eliminated.
B) Erosion can be limited using DCEP current.
C) The eroded metal does not transfer across the arc.
D) Slow erosion results in limited tungsten inclusions in the weld.
Correct Answer:
Verified
Q7: _ has the poorest heat resistance and
Q8: Adding _ has the same effect on
Q9: Which of the following is an inert
Q10: _ additions are restricted to stainless steels
Q11: _ results in welds with deep penetration,
Q13: Which of the following is true of
Q14: _ is denser than air, so it
Q15: _ electrodes have a current-carrying capacity similar
Q16: Which of the following is true of
Q17: DCEP concentrates _ of the arc heat
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