API Exam API-571 Topic 1 Question 104 Discussion

Actual exam question for API's API-571 exam

Question #: 104
Topic #: 1

[All API-571 Questions]

Sulfidation is primarily caused by:

AImpacting particles.

BSulfur compounds decomposing at higher temperatures.

CSulfur compounds being created in the FCCU (Cat Cracking Unit).

DElemental sulfur collecting in stagnate areas, e.g. dead legs.

EOperators failing to adequately control the ph of sulfur streams.

Show Suggested Answer

Suggested Answer: B

by Zona at Jan 11, 2025, 05:16 PM

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Florinda

17 days ago

As an operator, I can confirm that controlling the pH of sulfur streams is a constant battle. Option E is no joke!

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27 days ago

Option B is the correct answer. Sulfur compounds decompose at higher temperatures, leading to sulfidation.

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Murray

11 days ago

Yes, that's correct. Sulfur compounds decompose at higher temperatures, causing sulfidation.

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Rodolfo

14 days ago

I think the answer is B) Sulfur compounds decomposing at higher temperatures.

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Francis

1 months ago

I'm not sure, but I think D) Elemental sulfur collecting in stagnate areas could also be a cause.

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Jonell

1 months ago

I agree with Corrie, sulfur compounds decomposing makes sense.

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Corrie

1 months ago

I think the answer is B) Sulfur compounds decomposing at higher temperatures.

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