API-571 Pipeline Practice Questions
The free API-571: Corrosion and Materials questions that deal with pipeline, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
A pipeline carries acidic chemicals; what type of corrosion is most likely to occur?
Correct answer: A
Explanation
Pitting corrosion is common in acidic environments due to localized depletion of protective films.
Question #3
What is the first step in diagnosing corrosion in a new pipeline?
Correct answer: B
Explanation
Visual inspection is a preliminary method to identify obvious signs of corrosion before conducting more detailed evaluations.
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