Demonstration should include
- selecting the correct filler metals
- fusion welding without a filler rod
- fusion welding with a filler rod.
Process/Skill Questions:
- What are the characteristics of a good weld?
- What corrections should be made if a poor weld is produced?
- How can you determine if the metal is hot enough for proper fusion?
- How can you determine if the fillet is large enough to provide sufficient strength to the joint?
- What happens to your fusion weld if your torch tip is the wrong size?