AWS AWS Joint Design & Weld Symbols

Question 1

What are the five basic weld joint types recognized by AWS?

Accepted Answer

Butt, corner, T-joint, lap, and edge

Answer

AWS recognizes five basic joint types: butt, corner, T-joint, lap, and edge joints.

Question 2

In a butt joint, the two pieces of metal are positioned:

Accepted Answer

In the same plane, end to end

Answer

A butt joint is formed when two pieces of metal are placed in the same plane with their edges joined end to end.

Question 3

A T-joint is formed when:

Accepted Answer

One piece is perpendicular to the surface of another

Answer

A T-joint is created when the edge of one piece is joined to the face of another piece at approximately 90 degrees.

Question 4

Which joint type is formed when two pieces are placed parallel to each other with their surfaces overlapping?

Accepted Answer

Lap joint

Answer

A lap joint is formed when two pieces are parallel and overlapping, welded along the edge of one or both pieces.

Question 5

An edge joint is best suited for which application?

Accepted Answer

Thin sheet metal where the pieces are parallel and adjacent

Answer

Edge joints are typically used for thin sheet metal where two parallel pieces are joined along their edges and are not subject to heavy loads.

AWS Practice Test