Welding Module 8 Questions and Answers | Latest Version | 2024/2025 | Graded A+
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Course
Welding Module 8
Institution
Welding Module 8
Welding Module 8 Questions and
Answers | Latest Version | 2024/2025 |
Graded A+
What is the purpose of joint preparation in welding?
To ensure proper fit-up and facilitate a strong, defect-free weld.
What is the typical angle used for a V-groove weld joint?
Typically between 60 and 75...
Welding Module 8 Questions and
Answers | Latest Version | 2024/2025 |
Graded A+
What is the purpose of joint preparation in welding?
✔✔ To ensure proper fit-up and facilitate a strong, defect-free weld.
What is the typical angle used for a V-groove weld joint?
✔✔ Typically between 60 and 75 degrees, depending on the thickness of the material.
Why is it important to remove contaminants from the base metal before welding?
✔✔ To prevent defects such as porosity and inclusions in the weld.
What is the difference between a butt joint and a fillet joint?
✔✔ A butt joint is where two pieces of metal are joined end-to-end, while a fillet joint is a right-
angle joint formed between two pieces of metal.
What is the main purpose of a tack weld in welding?
✔✔ To temporarily hold the pieces of metal in place before completing the final weld.
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, What does the term "penetration" refer to in welding?
✔✔ The depth at which the weld metal fuses into the base metal.
What is the role of heat input in welding?
✔✔ Heat input controls the amount of heat applied during welding, affecting the weld size,
strength, and the potential for distortion.
Why is preheating sometimes necessary before welding?
✔✔ Preheating helps reduce the risk of cracking in high-strength or thick materials by
controlling the cooling rate.
What is the function of filler material in welding?
✔✔ Filler material is used to create a bond between the base metals and fill the weld joint to
ensure strength and integrity.
What is the difference between an open root joint and a closed root joint?
✔✔ An open root joint has no filler material at the base of the weld, while a closed root joint
uses filler material to ensure a solid weld base.
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