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API-571 Exam - Topic 1 Question 74 Discussion

Resistance to sulfidation increases as the:
A) Chromium content in the material increases.
B) Nickel content in the material increases.
C) Material's tensile strength decreases.
D) Material's tensile strength increases.

API-571 Exam - Topic 1 Question 74 Discussion

Actual exam question for API's API-571 exam
Question #: 74
Topic #: 1
[All API-571 Questions]

Resistance to sulfidation increases as the:

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Suggested Answer: A

by Stephen at Oct 06, 2023, 02:28 PM

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Lavera
9 months ago
D makes sense, stronger materials usually resist better.
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Gail
9 months ago
Wait, how does tensile strength even factor in? Seems off.
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Linwood
10 months ago
I think B could be a contender too, but not as strong as A.
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Gail
10 months ago
Totally agree with A, chromium is key here.
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Felicidad
10 months ago
A is correct! More chromium means better resistance.
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Larae
10 months ago
This is tricky! I vaguely recall something about tensile strength, but I can't remember if it was about increasing or decreasing.
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Margurite
10 months ago
I practiced a question similar to this, and I think higher tensile strength could mean better resistance. So, could it be D?
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Laura
10 months ago
I'm not entirely sure, but I feel like nickel might have a role too. I need to double-check if it increases resistance or not.
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Shawn
11 months ago
I think I remember that chromium helps improve resistance to sulfidation, so maybe it's A?
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Sherita
11 months ago
I'm a bit confused by this question. Is it asking about the material's resistance to sulfidation, or the material's overall properties? I'll need to re-read the question and think about the relationship between the different factors.
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Erinn
11 months ago
Okay, let's see. Sulfidation is a type of corrosion, so the key is to look at how the material properties affect that. I'm leaning towards B, since nickel is often used to improve corrosion resistance in high-temperature environments.
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Coral
11 months ago
I'm pretty sure the answer is A. Chromium is known to increase resistance to sulfidation, so that seems like the most logical choice.
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Johnna
11 months ago
Hmm, I'm a bit unsure about this one. I know that chromium and nickel can both improve corrosion resistance, but I'm not sure which one is specifically related to sulfidation. I'll have to think this through carefully.
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Johnetta
11 months ago
Hmm, this is a tricky one. I'll have to weigh the risks of each combination and try to identify the one that would be least likely to lead to errors or fraud.
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Bernardo
11 months ago
Hmm, the "AUTO DISABLED" prefix on the rule name is a bit concerning. I'm thinking it might be related to some kind of performance issue, like the rule query taking too long to run.
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Misty
11 months ago
Hmm, this looks tricky. I remember workload involves resistance and pedaling, so I'm leaning towards option B.
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