Q. The gases used in different types of welding would include
A) oxygen and acetylene
B) oxygen and hydrogen
C) oxygen, hydrogen, acetylene and nitrogen
D) oxygen, acetylene and argon
✔ Correct Answer: oxygen and acetylene
Exam Insight
Gases used in different types of welding include oxygen, acetylene, argon, and carbon dioxide, each chosen based on the welding technique and material being welded.