Welding Module 7 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Module
Welding Module 7
Institution
Welding Module 7
Welding Module 7 Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What is the purpose of a back step in welding?
A back step helps relieve stresses in the material and improves the overall appearance and
strength of the weld.
Why is it essential to control the we...
Welding Module 7 Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What is the purpose of a back step in welding?
✔✔ A back step helps relieve stresses in the material and improves the overall appearance and
strength of the weld.
Why is it essential to control the welding speed?
✔✔ Controlling the welding speed ensures proper heat distribution, adequate fusion, and
prevents defects such as undercutting or porosity.
What is the difference between a butt joint and a fillet joint in welding?
✔✔ A butt joint is where two pieces are joined edge-to-edge, while a fillet joint is used to join
two pieces at an angle, forming a "V" shape.
What is the primary purpose of a welding inspection?
✔✔ A welding inspection ensures that the weld meets the required quality standards,
dimensions, and safety criteria.
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, What does a "hot pass" refer to in welding?
✔✔ A hot pass is the initial layer of welding that is laid down to begin the process of filling a
joint.
What is the purpose of preheating metals before welding?
✔✔ Preheating helps reduce the risk of cracking and ensures a smoother weld by controlling the
cooling rate of the metal.
Why is it important to maintain the correct torch angle when welding?
✔✔ The correct torch angle ensures proper penetration, bead formation, and overall weld
strength.
What is the function of a welding flux?
✔✔ Flux helps protect the weld pool from contaminants, improves arc stability, and prevents
oxidation during the welding process.
What is the difference between MIG and TIG welding?
✔✔ MIG welding uses a consumable wire electrode and is typically faster, while TIG welding
uses a non-consumable tungsten electrode for higher precision and cleaner welds.
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