API Exam API-571 Topic 1 Question 88 Discussion

Actual exam question for API's API-571 exam

Question #: 88
Topic #: 1

[All API-571 Questions]

Susceptibility of an alloy to sulfidation is determined by its ability to form protective _________.

AOxide scales

BSulfide scales

CCarbide scales

DNone of the above

Show Suggested Answer

Suggested Answer: D

by Eloisa at May 29, 2024, 08:48 AM

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1 days ago

Sulfide scales wouldn't protect against sulfidation, that's just silly. Definitely going with A.

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8 days ago

Oxide scales are the key to resisting sulfidation, so A is the correct answer.

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12 days ago

I'm not sure, but I think it's either A) Oxide scales or B) Sulfide scales.

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13 days ago

I agree with Arlenbie, oxide scales provide protection against sulfidation.

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16 days ago

I think the answer is A) Oxide scales.

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