Title: Describe the theories behind OFC.
Course: Welding I (13207-I) > Section: Demonstrating Thermal Cutting: Oxyfuel Cutting (OFC)

Description should include

- gas selection (four types used)
- tip selection
- equipment selection
- preheating and oxidation
- cutting flames.

Process/Skill Questions:

- What are the four types of gasses used in OFC?
- What is back pressure?
- What is maximum safe operating pressure?