Mock Flashcards
1
Q
What is welding?
A
Uses very high temperatures to melt edges of joint = flow together, fuse together as it cools
2
Q
What is welding also used for?
A
Also used to fill in thinned metal or slight gaps
3
Q
How can gaps in metal be filled using welding?
A
Metal from welding rod is melted on
4
Q
Where does the high temperature come from in welding?
A
From: - Laser - Oxyacetylene torch - Electric-arc welder
5
Q
Name 3 methods of joining metal
A
- Welding - Bolts, Nuts, Washers - Pop Rivets
6
Q
When are pop riverts used?
A
Used where there’s only access to one side of material
7
Q
What is the advantage of using pop riverts?
A
Fast and easy method of joining thin sheet metal
8
Q
When are bolts, nuts, washers used?
A
Used where joint needs to be taken apart
