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API-571 Exam - Topic 1 Question 94 Discussion

________ usually occurs when a colder liquid contacts a warmer metal surface.
A) Stress cracking
B) Thermal fatigue
C) Thermal shock
D) Stress shock

API-571 Exam - Topic 1 Question 94 Discussion

Actual exam question for API's API-571 exam
Question #: 94
Topic #: 1
[All API-571 Questions]

________ usually occurs when a colder liquid contacts a warmer metal surface.

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Suggested Answer: A

by Kenda at Aug 27, 2024, 01:45 AM

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Johna
7 months ago
Stress cracking is different, not the right answer here.
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Lynsey
7 months ago
Yeah, thermal shock happens with temperature differences.
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Junita
8 months ago
Wait, is thermal shock really a thing?
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Norah
8 months ago
I thought it was thermal fatigue?
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Tess
8 months ago
It's definitely thermal shock!
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Sarah
8 months ago
Thermal shock definitely rings a bell, especially since we discussed it in relation to materials failing under sudden temperature changes.
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Carisa
9 months ago
I feel like stress cracking could be a possibility too, but it doesn't quite fit the description of a colder liquid on a warmer surface.
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Narcisa
9 months ago
I remember something about thermal fatigue, but that seems more related to repeated stress rather than just a sudden temperature change.
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Vilma
9 months ago
I think this might be thermal shock, but I'm not entirely sure. It sounds familiar from our last practice exam.
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Eden
9 months ago
Wait, is it thermal fatigue? No, that's not right. Hmm, I'm a little stuck on this one. I'll have to review my notes to make sure I have the right concept.
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Joye
9 months ago
Thermal shock, got it. I remember learning about this in class - the sudden temperature change can cause cracking or other damage to the metal surface. Should be a straightforward answer.
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Rolland
9 months ago
Okay, let me think this through step-by-step. If a colder liquid contacts a warmer metal surface, that would cause a rapid temperature change, leading to thermal shock. I'm confident that's the right answer.
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Mozelle
9 months ago
Hmm, I'm a little unsure about this one. I know it has something to do with temperature differences, but I can't quite remember the exact term. I'll have to think it through carefully.
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Lashandra
9 months ago
This one seems pretty straightforward. I'm pretty sure the answer is thermal shock, when a cold liquid hits a hot surface.
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Alonso
9 months ago
I'm a bit confused by the options here. Is the ICN-Series a real Palo Alto product? I don't recognize that one. I'll have to do some quick research to figure out the best choice.
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Rosenda
1 year ago
What do you call a metal surface that's not prepared for sudden temperature changes? A 'hot head'!
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Kristofer
1 year ago
D) Stress shock
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Kimberlie
1 year ago
C) Thermal shock
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Solange
1 year ago
B) Thermal fatigue
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Ardella
1 year ago
A) Stress cracking
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Chery
1 year ago
Ah, the age-old battle between thermal shock and stress shock. I'm going with C) Thermal shock, but I'd love to hear a good joke about metal surfaces and temperature differences.
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Margery
1 year ago
Thermal shock, for sure. I remember learning about this in my materials science class. Great question!
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Xuan
1 year ago
Hmm, I was debating between B) Thermal fatigue and C) Thermal shock, but I'm going with C. It sounds like the most likely scenario here.
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Phyliss
1 year ago
Yeah, C) Thermal shock is definitely the correct answer. Good job!
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Candida
1 year ago
I think you made the right choice with C) Thermal shock. It's a common occurrence in those situations.
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Elliott
1 year ago
A) Stress cracking usually occurs when a colder liquid contacts a warmer metal surface.
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Johnetta
1 year ago
I think the correct answer is C) Thermal shock. That makes the most sense to me based on the description.
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Ty
1 year ago
Actually, it's C) Thermal shock. That's when a colder liquid comes into contact with a warmer metal surface.
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Denny
1 year ago
I think it might be B) Thermal fatigue, because it involves repeated heating and cooling cycles.
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Anglea
1 year ago
I agree, C) Thermal shock is the correct answer. It happens when there's a sudden change in temperature.
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Aracelis
1 year ago
I'm not sure, but I think it could also be B) Thermal fatigue, as repeated heating and cooling can lead to metal failure.
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Herminia
1 year ago
I agree with Francis, because when a colder liquid contacts a warmer metal surface, it can cause thermal shock.
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Francis
1 year ago
I think the answer is C) Thermal shock.
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