Welding 1 Module 3 Trade Terms &
Review Questions | Latest Version |
2024/2025 | Correct & Verified
What is the purpose of a welding helmet?
To protect the eyes and face from harmful UV rays and sparks during welding.
What does TIG stand for in welding?
Tungsten Inert Gas, a process usi...
Welding 1 Module 3 Trade Terms &
Review Questions | Latest Version |
2024/2025 | Correct & Verified
What is the purpose of a welding helmet?
✔✔ To protect the eyes and face from harmful UV rays and sparks during welding.
What does TIG stand for in welding?
✔✔ Tungsten Inert Gas, a process using a non-consumable tungsten electrode.
Why is it important to clean the base metal before welding?
✔✔ To remove impurities that could cause defects or weaken the weld.
What is an electrode in welding?
✔✔ A rod or wire used to conduct electrical current and provide filler material for the weld.
What is the difference between AC and DC welding current?
✔✔ AC alternates direction, while DC flows in one direction, affecting the heat and penetration
of the weld.
1
, What does MIG stand for in welding?
✔✔ Metal Inert Gas, a welding process that uses a continuous wire feed.
Why should you wear protective gloves when welding?
✔✔ To protect your hands from heat, sparks, and molten metal.
What is the purpose of a welding torch?
✔✔ To direct the welding arc and control the flow of filler material.
What is a weld pool?
✔✔ The molten metal created at the joint of two pieces being welded.
Why is it important to maintain the proper gas flow in welding?
✔✔ To shield the weld area from contamination and ensure a clean, strong weld.
What is the role of flux in welding?
✔✔ Flux helps clean the base metal and prevents oxidation during the welding process.
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