Welding Princibles Flashcards
1
Q
Types of welding joint
A
Butt
Lap
T fillet
2
Q
What does lev stand for and why do you need it
A
Local exhaust ventilation, and it removed harmful gasses from the work area
3
Q
What does mig stand for
A
Metal inert gas
4
Q
What does mag stand for
A
Metal active gas
5
Q
What does mma stand for
A
Manual metal arc
6
Q
What is total fusion welding
A
Using heat to melt particles together filler is added for bulk
7
Q
What is non fusion welding
A
Parent metal is heated instead of filament( brazing )
8
Q
What gasses can be used for shielding
A
Argon and helium for overhead application
9
Q
What is the purpose of a shielding gas
A
To stabilise the weld
10
Q
If you was welding a 3 mm thick steel what rod would you use
A
2.5 mm rod
