API-571 Steel Practice Questions
The free API-571: Corrosion and Materials questions that deal with steel, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
A storage tank made of stainless steel is prone to which defect in a chloride environment?
Correct answer: A
Explanation
Intergranular corrosion occurs in stainless steel under chloride exposure due to sensitization along grain boundaries.
Question #9
Which factor most influences the rate of uniform corrosion in a carbon steel pipeline?
Correct answer: A
Explanation
Temperature has a substantial effect on the corrosion rate, as higher temperatures typically accelerate chemical reactions.
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