Welding Level 2, Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Welding Level 2, Module 3
Institution
Welding Level 2, Module 3
Welding Level 2, Module 3 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is porosity in a weld, and how can it be prevented?
Gas pockets in the weld; prevent it by ensuring clean materials and proper shielding gas
flow.
Why should you use proper personal p...
Welding Level 2, Module 3 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is porosity in a weld, and how can it be prevented?
✔✔ Gas pockets in the weld; prevent it by ensuring clean materials and proper shielding gas
flow.
Why should you use proper personal protective equipment (PPE) while welding?
✔✔ To protect yourself from sparks, UV radiation, and hot metal.
What causes undercut in a weld, and how can it be avoided?
✔✔ Moving the electrode too fast or using too high a current; avoid by adjusting technique and
settings.
Why is post-weld cleaning important?
✔✔ To remove slag and ensure the weld is smooth and defect-free.
What is the purpose of a welding procedure specification (WPS)?
1
, ✔✔ To provide detailed instructions for creating a consistent and quality weld.
How can you check for cracks in a weld?
✔✔ Use visual inspection or non-destructive testing methods like dye penetrant or ultrasonic
testing.
What is the role of a filler metal in welding?
✔✔ To add material to the joint and create a strong bond between base metals.
What should you do if a welding electrode sticks to the workpiece?
✔✔ Break the arc and remove the electrode gently to avoid damaging the surface.
What is the primary purpose of shielding gas in welding?
✔✔ To protect the weld pool from atmospheric contamination.
Why is it important to clean the metal surface before welding?
✔✔ To remove dirt, rust, and oil, ensuring a stronger weld.
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