What is the purpose of GMAW shielding gas?

A. Protect the weld and prevent oxidation.
B. Add heat to the weld and melt the base metal.
C. Cause porosity and reduce the weld's tensile strength.



Answer :

Final answer:

GMAW shielding gas protects welds by preventing oxidation, ensuring clean and strong welds.


Explanation:

The purpose of GMAW shielding gas is to protect the weld and prevent oxidation. Shielding gas, such as Helium and Argon, is used to shield welding arcs and the surrounding base metal from the atmosphere, ensuring a clean, strong weld.


Learn more about Welding here:

https://brainly.com/question/43964061