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API-571 Exam - Topic 1 Question 59 Discussion

Posted by Lonna on Oct 26, 2022 at 02:17 PM

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 _______.

Suggested Answer: B

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36 comments · newest first
AN
Anissa 11 months ago
I thought it was Carburization at first!
SH
Shantay 11 months ago
Nitriding definitely fits the description.
KR
Kris 11 months ago
Wait, isn't that just for hardening?
GE
Gerald 12 months ago
Totally agree, Nitriding is the right term!
EL
Elbert 12 months ago
It's called Nitriding.
AN
Antonio 12 months ago
I vaguely recall that spheroidization is more about heat treatment for steel, not this kind of surface layer. So maybe it's nitriding?
AD
Adria 12 months ago
I feel like carburization is more about carbon, so I don't think that's it. But I'm not confident about the other options.
MA
Malcom 12 months ago
I remember practicing a question about surface hardening processes, and nitriding was mentioned there. Could this be the same?
JO
Josue 1 year ago
I think this might be related to nitriding, but I'm not entirely sure. It has something to do with nitrogen exposure, right?
KR
Kristel 1 year ago
This looks like a pretty straightforward alert triaging question. I'll need to think through the relative severity and risk of each alert to determine which one should be given the least priority.
VI
Vincent 1 year ago
Key strategy: look for where the corrupt employee is manipulating the procurement process to benefit a specific supplier. I think that points to option C.
CA
Callie 1 year 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.
NO
Noah 1 year ago
↳ replying to Callie
C: I'm going with C) Nitriding as well. It seems to be the most fitting option.
AL
Alpha 1 year ago
↳ replying to Callie
A: Oh, that makes sense. I see your point.
MA
Margurite 1 year ago
↳ replying to Callie
B: I disagree, I believe it's C) Nitriding because it specifically mentions exposure to nitrogen compounds.
AL
Aliza 1 year ago
↳ replying to Callie
A: I think it's A) Carburization, because it involves a high temperature process.
CO
Cordelia 1 year ago
Nitriding, huh? Sounds like my alloy is about to get a bad case of 'high-temperature acne'.
KI
Kimi 1 year ago
↳ replying to Cordelia
A: That's true, different processes can lead to different types of surface layer formations.
TI
Tiffiny 1 year ago
↳ replying to Cordelia
B: I've heard that carburization can also be a problem in high temperature environments.
JE
Jennifer 1 year ago
↳ replying to Cordelia
A: Yeah, nitriding can definitely cause some issues with the surface of your alloy.
NO
Novella 1 year 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.
DA
Danica 1 year ago
↳ replying to Novella
User 3: I agree, let's go with C) Nitriding.
DO
Dorthy 1 year ago
↳ replying to Novella
User 2: Yeah, that makes sense. It's all about the high temperature process streams.
VA
Vashti 1 year ago
↳ replying to Novella
User 1: I think C) Nitriding is the correct answer.
SH
Sheridan 1 year ago
Nitriding? Sounds like a fancy term for turning my alloy into a rock-hard surface. Sign me up!
HO
Hobert 1 year ago
↳ replying to Sheridan
Exactly! It's a great way to improve the wear resistance of the alloy.
DO
Donte 1 year ago
↳ replying to Sheridan
So, it's like turning the alloy into a rock-hard surface for better durability.
IR
Irving 1 year ago
↳ replying to Sheridan
Yes, that's correct. It involves exposing the alloy to high temperature process streams containing nitrogen compounds.
JO
Joseph 1 year ago
↳ replying to Sheridan
I think nitriding is the process of developing a hard, brittle surface layer on alloys.
JE
Jettie 1 year ago
↳ replying to Sheridan
D) None of the above
LA
Lashunda 1 year ago
↳ replying to Sheridan
C) Nitriding
AV
Avery 1 year ago
↳ replying to Sheridan
B) Spheroidization
LE
Leontine 1 year ago
↳ replying to Sheridan
A) Carburization
YO
Yolando 2 years ago
I'm not sure, but I think it could also be A) Carburization because it involves a hard surface layer.
CA
Cassi 2 years ago
I agree with Herminia, Nitriding makes sense because it involves exposure to nitrogen compounds.
HE
Herminia 2 years ago
I think the answer is C) Nitriding.
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