Description
Objectives
Learning Objective 1 – State the safety rules for oxyfuel cutting.
- Identify the proper protective equipment to be used in oxyfuel cutting.
- Describe ventilation required when oxyfuel cutting.
- Explain the purpose of a hot-work permit.
- Identify oxygen hazards that may be present when oxyfuel cutting.
- Define backfire and flashback; describe how to avoid them, and what to do if they occur.
- Explain how to safely cut containers.
Learning Objective 2 – Identify the components of an oxyfuel cutting outfit.
- Identify gases used for oxyfuel cutting.
- Identify the parts of a regulator.
- Explain the purpose of hoses and cutting torches.
- Identify oxyfuel cutting accessories.
Learning Objective 3 – Describe how to set up and use oxyfuel cutting equipment.
- Explain how to set up oxyfuel cutting equipment.
- Explain how to use oxyfuel cutting equipment.
Learning Objective 4 – State the safety rules for arc welding.
- Identify electrical hazards associated with arc welding.
- Identify the proper protective equipment to be used for arc welding.
- Describe ventilation required when arc welding.
- Explain how to safely weld containers.
Learning Objective 5 – Identify the components of an arc-welding out- fit.
- Identify types of arc welding machines.
- Describe the proper type of cable used for arc welding machines.
- Identify arc welding accessories.
- Identify the types of arc welding electrodes and interpret meanings of the electrode classification codes.
- Identify factors to consider when selecting electrodes.
Learning Objective 6 – Describe how to set up and use arc welding equipment.
- Explain how to strike an arc.
- Describe how to restart and terminate a weld. c. Identify types of weld beads.
- Explain how to create a fillet weld.
- Identify various welding symbols.
Learning Objective 7 – Describe other methods of cutting and welding.
- Describe the plasma and air-carbon arc cutting processes.
- Describe the gas-metal and gas-tungsten arc welding processes.
Performance Tasks
Performance Task 1 (Learning Objective 2) – Match cutting torch tips to their applications.
Performance Task 2 (Learning Objectives 3 and 6) – Use either an oxyfuel cutting outfit or arc welder to do one or more of the following:
- Set up an oxyfuel cutting torch and cut a piece of mild steel.
- Set up an electric arc welder and weld two pieces of mild steel.
