Welding 10 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Module
Welding 10
Institution
Welding 10
Welding 10 Questions and Answers |
Latest Version | 2024/2025 | Correct &
Verified
What is the role of shielding gas flow rate in welding?
To ensure proper coverage of the weld pool and prevent contamination.
Why is it important to maintain proper electrode stick-out?
To ensure consis...
Welding 10 Questions and Answers |
Latest Version | 2024/2025 | Correct &
Verified
What is the role of shielding gas flow rate in welding?
✔✔ To ensure proper coverage of the weld pool and prevent contamination.
Why is it important to maintain proper electrode stick-out?
✔✔ To ensure consistent arc stability and reduce spatter.
What is the purpose of a cover pass in multi-pass welding?
✔✔ To provide the final layer of the weld and improve its appearance and protection.
What causes welding arc instability?
✔✔ Incorrect current settings, improper shielding gas flow, or contaminated materials.
What is the significance of electrode classification in welding?
✔✔ It helps identify the electrode’s properties, such as tensile strength, position usability, and
coating type.
1
, What does the term "weld leg" refer to in a fillet weld?
✔✔ The distance from the root to the toe of the weld.
Why is it important to control cooling rates in welding?
✔✔ To prevent cracking, distortion, and other weld defects.
What is the purpose of a welding helmet?
✔✔ To protect the welder’s eyes and face from harmful light, heat, and spatter.
What does "preheat temperature" mean in welding?
✔✔ The temperature of the base material before welding begins.
What is a hot crack in welding?
✔✔ A crack that forms while the weld is still hot, usually due to high residual stress or improper
cooling.
What causes incomplete joint penetration?
2
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