Identification should include necessary adjustments to
- weld defects
- operator error
- equipment failure
- metal impurities (e.g., contaminants).
Process/Skill Questions:
- What is a weld defect?
- What causes welding defects?
- How are defects prevented and/or repaired?
- What is porosity, and what causes it?
- What is the importance of cleaning the nozzle?