Discuss API API-571 Exam Topic 1 Question 54

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.

Suggested Answer: B

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13 comments · newest first

Lynelle 11 months ago

Wait, operators can mess up the pH? That's wild!

Kattie 11 months ago

Not sure about that, I lean towards C for the FCCU impact.

Brynn 11 months ago

Definitely B! Higher temps lead to decomposition.

Carylon 12 months ago

I thought it was more about elemental sulfur in dead legs?

Kallie 12 months ago

Sulfidation mainly happens due to sulfur compounds at high temps.

Yvonne 12 months ago

I feel like the operators' control over pH was mentioned in our studies, but I can’t recall if it directly causes sulfidation.

Bronwyn 12 months ago

I’m a bit confused about the role of sulfur compounds in the FCCU. Wasn’t there a question about that in our last mock exam?

Rolland 12 months ago

I think it might be related to elemental sulfur collecting in stagnant areas, like dead legs. That sounds familiar from our practice questions.

Natalya 1 year ago

I remember sulfidation being linked to sulfur compounds, but I’m not sure if it’s more about decomposition or creation.

Sharita 1 year ago

This looks straightforward. Azure Files and Blob storage should be the two services that use the customer-managed keys from the key vault.

Dorothy 1 year ago

This seems like a straightforward question about how to onboard a new BA onto a project. I'd go with option D - documenting the outcomes of discussions with stakeholders. That way the new BA can quickly get up to speed on the project context and requirements.

Queenie 1 year ago

Okay, let me think this through. The internal business processes perspective is all about efficiency and productivity, so I'm guessing the reduction in manufacturing cycle times would be the best answer here.

Roxanne 1 year ago

Hmm, I'm a bit confused about the different firewall implementation options. I'll need to review the Cisco ACI Multi-Pod documentation to refresh my memory.

API-571 Exam - Topic 1 Question 54 Discussion