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API-571 Exam - Topic 1 Question 42 Discussion

A vacuum tower operating at 740 F is being entered to inspect. Several sets of Type 410 SS trays are bent at various angles. The trays are removed in order to straighten them. When an attempt is made to straighten them cracks form at the bends. What type of damage mechanism would cause the cracks to form?
C) 885 F embrittlement
A) Hydrogen embrittlement
B) Sulfide stress corrosion cracking
D) High temperature corrosion

API-571 Exam - Topic 1 Question 42 Discussion

Actual exam question for API's API-571 exam
Question #: 42
Topic #: 1
[All API-571 Questions]

A vacuum tower operating at 740 F is being entered to inspect. Several sets of Type 410 SS trays are bent at various angles. The trays are removed in order to straighten them. When an attempt is made to straighten them cracks form at the bends. What type of damage mechanism would cause the cracks to form?

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Suggested Answer: C

by Keneth at May 04, 2022, 10:04 AM

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Hermila
10 months ago
Hydrogen embrittlement could be a factor too, right?
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Hillary
10 months ago
Wait, 740 F? Isn't that too low for 885 F embrittlement?
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Evan
10 months ago
Definitely high temperature corrosion!
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Malinda
10 months ago
I think it's more likely sulfide stress corrosion cracking.
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Jesus
10 months ago
Sounds like 885 F embrittlement to me.
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Carla
11 months ago
Wait, I'm confused. Isn't a SYN/ACK segment part of the three-way handshake to initiate a connection? I think the answer is A, but I'm not 100% sure.
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Flo
11 months ago
Querying the AsyncApexJob object sounds like a good approach, but I want to make sure that's actually one of the correct answers. I'll need to review the documentation to be sure.
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Antonio
11 months ago
Okay, let me break this down. Blockchain 3.0 and Internet 3.0 are both emerging technologies, so I think the key is understanding how they might work together to increase Blockchain usage.
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