Exam API-580 Topic 2 Question 34 Discussion

Actual exam question for API's API-580 exam
Question #: 34
Topic #: 2
Once a credible damage mechanism(s) has been identified, the associated failure mode should also be identified. An example of a failure mode is:

Suggested Answer: A Vote an answer

As per API 580, Section 8.3:
"Once a credible damage mechanism(s) has been identified, the associated failure mode should also be identified. For example, local thinning could lead to a pinhole leak in the pressure-containing boundary." The example "pit-to-leak" accurately reflects a transition from a damage mechanism (pitting corrosion) to a failure mode (leak). Options B and C are damage modes or mechanisms, and D is a fabrication defect-not a failure mode.
Reference: API 580, 2nd Edition (2016), Section 8.3

by Hugh at Dec 17, 2025, 04:23 AM

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