API Exam API-571 Topic 1 Question 104 Discussion

Actual exam question for API's API-571 exam

Question #: 104
Topic #: 1

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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1 days ago

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

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4 days ago

I agree with Corrie, sulfur compounds decomposing makes sense.

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13 days ago

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

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