Which of the following is a difference between an electrode holder and an air carbon arc torch?
A) The lower electrode jaw has a series of air holes.
B) The jaw has more than one electrode-locating groove.
C) The electrode jaw cannot pivot.
D) There is no air valve on the torch lead.

Question

Quizplus · Accepted Answer

An electrode holder typically has a lower electrode jaw with a series of air holes to allow for efficient cooling of the electrode during welding, while an air carbon arc torch does not require air holes in the electrode jaw because it uses compressed air to blow away molten metal. The other options (B, C, and D) are not accurate differences between the two tools.

Which of the Following Is a Difference Between an Electrode