Title: (Optional) Perform GTAW welding operations.
Course: Industrial Maintenance Technology (13203-I) > Section: Performing Welding Operations

Performance includes the ability to place equipment in operation; perform minor repairs; select machine setting, electrodes, and shielding gas; and perform the following procedures:

- perform fusion welds of aluminum, stainless steel, and carbon steel
- perform flat groove welds and horizontal fillet welds on aluminum, stainless steel, and carbon steel.

Process/Skill Questions:

- How is the end of the tungsten electrode prepared for welding non-ferrous metals?
- What is the major advantage of GTAW welding? What are the disadvantages?
- How is the risk of argon asphyxiation related to GTAW welding?
- Why is AC current used for welding aluminum?