Demonstration should include
- identification of the material and filler for the weld needed
- interpretation of symbols and drawings
- identification of welding equipment
- performance of welding processes
- knowledge of electrical terms and theory related to welding
- identification of various applications of welding.
Process/Skill Questions:
- What are two methods of checking equipment for leaks?
- What is the duty cycle?
- How does Ohm’s Law apply to welding?
- When would a V-groove weld be used instead of a square-groove weld?
- What is the significance of a weld symbol straddling a reference line?
- What information can be located in the tail of a weld symbol?
- What is the purpose of fluxes?
- How are electrode holders rated?