Welding Mod 11 Questions and Answers | Latest Version | 2024/2025 | Rated A+
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Module
Welding Mod 11
Institution
Welding Mod 11
Welding Mod 11 Questions and Answers
| Latest Version | 2024/2025 | Rated A+
Why is it important to clean the base metal before welding?
To remove contaminants that could cause defects like porosity or lack of fusion.
What causes porosity in a weld?
Trapped gas in the molten weld metal.
...
Welding Mod 11 Questions and Answers
| Latest Version | 2024/2025 | Rated A+
Why is it important to clean the base metal before welding?
✔✔ To remove contaminants that could cause defects like porosity or lack of fusion.
What causes porosity in a weld?
✔✔ Trapped gas in the molten weld metal.
How can weld spatter be minimized?
✔✔ By using proper welding parameters and technique.
What is the role of flux in welding?
✔✔ To protect the weld pool from contamination and stabilize the arc.
Why is controlling travel speed important in welding?
✔✔ To ensure proper penetration and avoid defects like undercut or lack of fusion.
1
, What is the purpose of preheating the base material?
✔✔ To reduce the risk of cracking by controlling the cooling rate.
What does the term "weld reinforcement" refer to?
✔✔ The amount of weld metal that exceeds the surface of the base metal.
What causes slag inclusions in a weld?
✔✔ Improper cleaning between passes or incorrect welding technique.
What is the purpose of a welding positioner?
✔✔ To hold and rotate the workpiece for better access and weld quality.
What does "incomplete fusion" mean in welding?
✔✔ A lack of proper bonding between the weld metal and base metal.
What is interpass temperature?
✔✔ The temperature of the weld area between consecutive welding passes.
2
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