API Exam API-571 Topic 1 Question 77 Discussion

Actual exam question for API's API-571 exam

Question #: 77
Topic #: 1

Hydrogen blisters may form at many different depths from the surface of the steel, in the middle of the plate or near a weld. In some cases, neighboring or adjacent blisters that are at slightly different depths (planes) may develop cracks that link them together. Interconnecting cracks between the blisters often have a __________ appearance.

ACrescent

BEyebrow

CStep like

DJagged

Show Suggested Answer

Suggested Answer: B

by Avery at Dec 10, 2023, 09:53 PM

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Tresa

3 days ago

I agree with Elke, the cracks between the blisters do have a step like appearance.

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Elke

6 days ago

I think the answer is C) Step like.

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