Multiple Choice Question (MCQ)
Question: Which gas mixture is used in GMAW spray transfer for 25 - 76 mm thick Aluminium block?
A.
90% Helium 10% Argon
B.
90% Helium 25% Argon
C.
75% Helium 10% Argon
D.
75% Helium 25% Argon
Correct Answer: 75% Helium 25% Argon