API-571 Exam - Topic 1 Question 76 Discussion

Actual exam question for API's API-571 exam

Question #: 76
Topic #: 1

____________ is often found in piping and equipment that handles caustic, including HS and mercaptan removal units, as well as equipment that uses caustic for neutralization in sulfuric acid and HF acid units.

ACarburization

BSulfide corrosion

CCaustic embrittlement

DHydrogen cracking

Show Suggested Answer

Suggested Answer: C

by Kimbery at Nov 24, 2023, 08:04 PM

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Romana

6 months ago

I thought hydrogen cracking was more of a concern in those setups.

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Linwood

6 months ago

Definitely C, I've seen it happen firsthand.

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Catarina

6 months ago

Wait, is caustic embrittlement really that common?

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Jacqueline

6 months ago

Totally agree, it's often overlooked.

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Reed

7 months ago

Caustic embrittlement is a big issue in those units!

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Deandrea

7 months ago

I feel like carburization was covered in our materials class, but it doesn't seem to match this question about caustic handling.

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Alonzo

7 months ago

I have a vague recollection of hydrogen cracking being mentioned in the context of high-pressure systems, but I can't recall if it applies to caustic environments.

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Francesco

7 months ago

I remember we discussed sulfide corrosion in relation to sour gas processing, but I don't think that's the right fit here.

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Carin

7 months ago

I think the answer might be caustic embrittlement, but I'm not entirely sure. It sounds familiar from our last review session.

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Vallie

7 months ago

This question is testing our knowledge of different corrosion mechanisms, which is an important topic. I'll carefully review the answer choices and try to eliminate the ones that don't fit the description in the question. That should help me land on the correct answer.

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Jacinta

8 months ago

I'm a bit confused by this question. There are a few different types of corrosion that could be relevant, and I'm not sure which one is the best fit based on the information provided. I'll have to think about it a bit more before making a decision.

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Laurel

8 months ago

Okay, let me think this through. Caustic embrittlement seems like the most likely answer here, since it's specifically mentioned in the question as occurring in equipment that handles caustic materials. I'll go with that.

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Kristine

8 months ago

Hmm, I'm not entirely sure about this one. The question mentions caustic, HS, mercaptans, and acid units, so I'm thinking it might be related to some kind of corrosion issue, but I'm not 100% sure which one.

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Wynell

8 months ago

This seems like a straightforward question about corrosion issues in equipment handling caustic materials. I'm pretty confident I can narrow it down to the right answer.

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Nobuko

8 months ago

Hmm, I'm not totally sure about the difference between a "robust description" and an "assessment" of the measurement system. I'll need to think that through.

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Barrie

8 months ago

Okay, I've got this. The key is to look for the option that specifically mentions "EVC Mode". That's going to be the right answer here. I'm confident I can nail this one.

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