Oxygen present in the welding zone can exist as part of a compound such as iron oxide or ____.

Question

Quizplus · Accepted Answer

Oxygen can exist in the welding zone as a part of other compounds, such as iron oxide, which is commonly present on the surface of the metal being welded. Carbon dioxide can also be present due to the gas being used in the welding process. Acetylene, acetaldehyde, and argon-oxygen are not commonly present in the welding zone.

Oxygen Present in the Welding Zone Can Exist as Part