Welding Level 1 Module 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Course
Welding Level 1 Module 2
Institution
Welding Level 1 Module 2
Welding Level 1 Module 2 Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What does the term "overlap" mean in welding?
Overlap occurs when the molten weld metal flows over the base metal without fusing to it,
resulting in a weak weld.
How does welding affect the ...
Welding Level 1 Module 2 Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What does the term "overlap" mean in welding?
✔✔Overlap occurs when the molten weld metal flows over the base metal without fusing to it,
resulting in a weak weld.
How does welding affect the mechanical properties of the base metal?
✔✔Welding can change the microstructure of the base metal, potentially affecting its strength,
hardness, and toughness.
Why is it important to use the correct filler material for a weld?
✔✔Using the correct filler material ensures compatibility with the base metal, leading to a
stronger and more reliable weld.
What is the significance of the welding arc length?
✔✔The welding arc length affects the heat input and weld bead characteristics, and it should be
kept consistent for a smooth, quality weld.
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, What is the purpose of using a back purge in TIG welding?
✔✔A back purge prevents oxidation of the backside of the weld joint by providing a protective
gas shield, ensuring a clean, strong weld.
What are the characteristics of a good weld?
✔✔A good weld has uniform bead size, adequate penetration, a smooth surface, and no visible
defects such as cracks or porosity.
What should be done if the weld starts to develop cracks or defects during the process?
✔✔Stop welding immediately, inspect the cause of the defect, and adjust the parameters or
technique as needed to prevent further issues.
What is the importance of practicing proper welding posture?
✔✔Good posture helps maintain control of the welding torch and ensures better precision and
comfort during the welding process.
What is the difference between a single pass weld and a multi-pass weld?
✔✔A single pass weld uses one continuous bead, while a multi-pass weld requires multiple
beads to fill a joint completely.
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