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API Exam API-571 Topic 1 Question 59 Discussion

Actual exam question for API's API-571 exam
Question #: 59
Topic #: 1
[All API-571 Questions]

A hard, brittle surface layer will develop on some alloys due to exposure to high temperature process streams containing high levels of nitrogen compounds such as ammonia or cyanides, particularly under reducing conditions, is called _______.

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Suggested Answer: B

Contribute your Thoughts:

Callie
2 months ago
I'm going to have to go with C) Nitriding on this one. It's the only option that really covers the 'high temperature, nitrogen compounds, and reducing conditions' scenario.
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Noah
8 days ago
C: I'm going with C) Nitriding as well. It seems to be the most fitting option.
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Alpha
9 days ago
A: Oh, that makes sense. I see your point.
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Margurite
10 days ago
B: I disagree, I believe it's C) Nitriding because it specifically mentions exposure to nitrogen compounds.
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Aliza
12 days ago
A: I think it's A) Carburization, because it involves a high temperature process.
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Cordelia
2 months ago
Nitriding, huh? Sounds like my alloy is about to get a bad case of 'high-temperature acne'.
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Kimi
2 months ago
A: That's true, different processes can lead to different types of surface layer formations.
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Tiffiny
2 months ago
B: I've heard that carburization can also be a problem in high temperature environments.
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Jennifer
2 months ago
A: Yeah, nitriding can definitely cause some issues with the surface of your alloy.
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Novella
3 months ago
Hmm, C) Nitriding seems to fit the description best. I'll go with that, unless there's a secret 'None of the above' trick up the examiner's sleeve.
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Danica
1 months ago
User 3: I agree, let's go with C) Nitriding.
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Dorthy
2 months ago
User 2: Yeah, that makes sense. It's all about the high temperature process streams.
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Vashti
2 months ago
User 1: I think C) Nitriding is the correct answer.
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Sheridan
3 months ago
Nitriding? Sounds like a fancy term for turning my alloy into a rock-hard surface. Sign me up!
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Hobert
26 days ago
Exactly! It's a great way to improve the wear resistance of the alloy.
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Donte
27 days ago
So, it's like turning the alloy into a rock-hard surface for better durability.
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Irving
29 days ago
Yes, that's correct. It involves exposing the alloy to high temperature process streams containing nitrogen compounds.
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Joseph
2 months ago
I think nitriding is the process of developing a hard, brittle surface layer on alloys.
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Jettie
2 months ago
D) None of the above
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Lashunda
2 months ago
C) Nitriding
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Avery
2 months ago
B) Spheroidization
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Leontine
3 months ago
A) Carburization
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Yolando
4 months ago
I'm not sure, but I think it could also be A) Carburization because it involves a hard surface layer.
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Cassi
4 months ago
I agree with Herminia, Nitriding makes sense because it involves exposure to nitrogen compounds.
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Herminia
4 months ago
I think the answer is C) Nitriding.
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