API 570 practice test

API 570 · Question 1 of 2557:21

III. Nondestructive examination (ASME V, B31.3, API 570)

Before applying liquid penetrant to a weld, what must be done to the surface?

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Coat it with developer firstClean it and let it dryWipe it with a light film of oilGrind the whole surface smooth

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Every question is original and written to American Petroleum Institute's published content outline, and every explanation cites the code section or source it relies on.