SC Pipelines Practice Questions - South Carolina Pipelines Contractor Examination Exam

Tack welds that will become part of a finished girth weld must be which of the following?

Made with any scrap electrode, because they will melt out Made by a qualified welder using the qualified procedure, then cleaned and feathered so they can be fused into the root At least 6 inches long and left covered with heavy slag Prohibited on all pipeline welds

Correct Answer:

Made by a qualified welder using the qualified procedure, then cleaned and feathered so they can be fused into the root

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