Nbbi Practice Test & Exam Prep

Per NBIC Part 3, an alteration is BEST described as:

Any weld repair that requires PWHT A change in the item that deviates from the original design or affects the pressure-retaining capability Replacement of a tube with the same size and material Routine seal welding of a leaking tube end

Correct Answer:

A change in the item that deviates from the original design or affects the pressure-retaining capability

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