Multiple Choice Question (MCQ)
Question: Which gas/mixture is likely to reduce the spatter loss in FCAW?
A.
Argon and CO<sub>2</sub> mixed
B.
Argon and helium mixed
C.
Co<sub>2</sub> and helium mixed
D.
Only CO<sub>2</sub> gas
Correct Answer: Argon and CO<sub>2</sub> mixed