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When a weld is contaminated by the tungsten touching the molten weld pool:

A. Neither the weld nor the tungsten needs to be cleaned
B. Both the weld and the tungsten must be cleaned
C. The weld must be cleaned
D. The tungsten must be cleaned

before resuming welding.


Sagot :

Final answer:

When tungsten contaminates a weld, both the weld and tungsten must be cleaned before welding resumes to prevent defects.


Explanation:

In welding, when a weld is contaminated by the tungsten touching the molten weld pool, both the weld and the tungsten must be cleaned before resuming welding. Failure to clean the contaminated materials can lead to defects in the weld, compromising its integrity and strength.


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