Answered

Why would a welder stick the end of the filler rod in the weld pool as the weld is being stopped?

A. To prevent dropping it when changing positions.
B. It cools off the end of the filler rod to prevent oxidization.
C. To help to prevent crater cracking.
D. It accidentally happens sometimes but they would not do it on purpose.



Answer :

GinnyAnswer

Final answer:

Sticking the filler rod end in the weld pool prevents crater cracking and maintains weld integrity.


Explanation:

When a welder sticks the end of the filler rod in the weld pool as the weld is being stopped, it helps to prevent crater cracking by ensuring proper filler metal distribution at the end of the weld. This technique assists in creating a suitable shielding gas environment, preventing atmospheric contamination and enhancing weld quality. By controlling the cooling rate and residual stresses in the weld, it contributes to the overall integrity of the weld joint.


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