Mock

Question 1

What is welding?

Answer 1

Uses very high temperatures to melt edges of joint = flow together, fuse together as it cools

Question 2

What is welding also used for?

Answer 2

Also used to fill in thinned metal or slight gaps

Question 3

How can gaps in metal be filled using welding?

Answer 3

Metal from welding rod is melted on

Question 4

Where does the high temperature come from in welding?

Answer 4

From: - Laser - Oxyacetylene torch - Electric-arc welder

Question 5

Name 3 methods of joining metal

Answer 5

• Welding - Bolts, Nuts, Washers - Pop Rivets

Question 6

When are pop riverts used?

Answer 6

Used where there’s only access to one side of material

Question 7

What is the advantage of using pop riverts?

Answer 7

Fast and easy method of joining thin sheet metal

Question 8

When are bolts, nuts, washers used?

Answer 8

Used where joint needs to be taken apart