Latest Version | 2024/2025 | Correct &
Verified
What is the purpose of using filler metal in welding?
✔✔To add material to the joint and ensure proper bonding between the workpieces.
How can you detect internal defects in a weld?
✔✔By using non-destructive testing methods like X-ray or ultrasonic testing.
What is a heat-affected zone (HAZ) in welding?
✔✔The area of the base metal that is altered in properties due to heat from welding.
Why is controlling cooling rates important in welding?
✔✔To prevent cracking and distortion in the welded material.
What is the effect of welding too quickly?
✔✔It can lead to insufficient penetration and a weak weld.
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, Why is electrode storage crucial in welding?
✔✔Moisture in electrodes can lead to porosity and weld defects.
What is meant by weld symmetry?
✔✔The balance and uniformity of the weld bead on both sides of the joint.
Why is preheating sometimes required before welding?
✔✔To reduce thermal shock and minimize the risk of cracking.
What is the purpose of tack welds during joint preparation?
✔✔To temporarily hold pieces in position before final welding.
How can you identify excessive reinforcement in a weld?
✔✔By measuring the weld bead height and ensuring it is within specification.
What is the role of a welding inspector?
✔✔To evaluate and ensure the weld meets required quality standards and specifications.
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