Welding Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Module
Welding
Institution
Welding
Welding Questions and Answers | Latest
Version | 2024/2025 | Correct & Verified
What is the purpose of a root pass in welding?
The root pass is the first bead deposited in the joint, ensuring proper penetration and fusion
for subsequent layers.
How does the heat affect the weld bead?
...
✔✔ The weld pool determines the quality and strength of the joint by ensuring proper melting
and fusion of the base and filler material.
What is undercut in welding?
✔✔ Undercut is the erosion of the base material adjacent to the weld bead, resulting in a weak
spot that compromises the joint.
What causes the weld to crack?
✔✔ Rapid cooling, high heat input, or improper filler material can cause cracking in the weld
bead or heat-affected zone.
Why is travel speed important in welding?
✔✔ Proper travel speed ensures correct penetration and bead shape, impacting the overall
strength of the weld.
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