Gases Flashcards
1
Q
A typical shielding gas for welding aluminium is
A..95% Ar 5% Co2
B..100% Ar
C..100% Co2
D..80% Ar 20% Co 2
A
B..100% Argon
2
Q
Which shielding gas gives the highest penetration?
A.. Argon
B.. Co2
C.. Argon plus helium
D.. Helium
A
D..Helium
3
Q
Co2 =
A
Good penetration
4
Q
Helium …..
A
Good penetration
5
Q
Dip and Spray ? ( Mag )
A
Argon and 20% Co2
6
Q
Gases used for FCAW?
A
Ar /Co2
