Answer Key: Self-Test B-6.4
- a. 1″
- a. 20–30° off perpendicular in direction of travel
- a. Electrode too far from work
- a. Rate of travel that is too fast
- c. Porosity
- c. Lack of fusion
- a. Incorrect joint design
- b. High-alloy steel
- c. Welding has been interrupted
- d. Cleaning all slag from the surface of the previous bead
- c. Improper electrode manipulation
- d. Uneven expansion and contraction within a metal
- a. Pre-bending
- d. Single vee butt joint
- a. Overlap
