CWI Joint Design and Weld Joint Types

Question 1

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

Accepted Answer

Butt, corner, tee, lap, and edge

Answer

Butt, groove, fillet, plug, and slot

Answer

Butt, corner, tee, groove, and fillet

Answer

Square, V-groove, bevel, U-groove, and J-groove

Question 2

A tee joint is most commonly made using which type of weld?

Accepted Answer

Fillet weld

Answer

Plug weld

Answer

Square groove weld

Answer

Slot weld

Question 3

What is the typical included groove angle for a prequalified single-V groove weld per AWS D1.1?

Accepted Answer

60° to 70°

Answer

30° to 40°

Answer

45° to 55°

Answer

80° to 90°

Question 4

For thick base metal, which groove configuration typically requires the least amount of filler metal compared to a single-V groove?

Accepted Answer

Double-V groove

Answer

Square groove

Answer

Single-bevel groove

Answer

Single-J groove

Question 5

What is the primary purpose of a root opening in a groove weld joint?

Accepted Answer

To allow complete joint penetration and fusion at the root

Answer

To increase the tensile strength of the completed weld

Answer

To reduce the total amount of filler metal required

Answer

To improve the surface appearance of the finished weld

Question 6

Which joint type is formed when two members are joined at approximately right angles, with one member's edge meeting the flat face of the other member?

Accepted Answer

Tee joint

Answer

Corner joint

Answer

Butt joint

Answer

Lap joint

Question 7

The bevel angle of a groove weld is defined as the angle between the prepared face of the member and:

Accepted Answer

A plane perpendicular to the surface of the base metal

Answer

The horizontal plane

Answer

The opposite groove face

Answer

The weld axis