Red Seal Welding Practice Exam

Question: 1 / 400

If the wire is feeding erratically, what is the likely problem?

Worn out drive rolls

Dirty liner

A likely cause for a wire feeding erratically is a dirty liner. If the wire is not being guided smoothly through the liner, it can lead to irregular feeding. While worn out drive rolls could also cause this issue, it is less likely as they are more durable compared to liners. An incorrect tension setting could also impact the feeding, but it would tend to create bigger issues such as wire jams or bird-nesting. Additionally, a larger or smaller wire size than what is needed could also cause feeding issues, but it would not be considered a likely problem in this case.

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Incorrect tension setting

Wrong wire size

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