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API Exam API-571 Topic 1 Question 61 Discussion

Actual exam question for API's API-571 exam
Question #: 61
Topic #: 1
[All API-571 Questions]

Although the loss of toughness from temper embrittlement is not evident at operating temperatures, equipment that is temper embrittled may be susceptible to ________ during start-up and shutdown.

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Suggested Answer: B

Contribute your Thoughts:

Eve
2 months ago
Brittle fracture all the way, baby! It's like the material just decides 'Nope, I'm done!' and *poof*, you've got a pile of metal confetti on your hands.
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Elise
2 months ago
Hmm, I was leaning towards C. Notch toughness, but I think D is the way to go. Wouldn't want my equipment to shatter like a glass ornament during a simple startup, you know?
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Malcom
2 months ago
Gotta be D, brittle fracture. Temper embrittlement is no joke - it turns the metal into a ticking time bomb waiting to explode during startup!
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Sunny
8 days ago
Cyclic stress can further weaken the material in temper embrittlement.
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Sherell
9 days ago
Notch toughness is important for preventing cracks from propagating.
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Alease
19 days ago
Thermal fatigue can also be a concern during start-up and shutdown.
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Marcelle
1 months ago
I agree, temper embrittlement can lead to brittle fracture.
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Arleen
2 months ago
I'm going with A. Thermal fatigue. Those temperature cycles can really take a toll on an embrittled material, leading to cracking and eventual failure.
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Merissa
2 months ago
Ah, I was debating between B and D, but D makes the most sense. Temper embrittlement really weakens the material's ability to withstand the stresses during startup and shutdown.
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King
2 months ago
Hmm, I'm pretty sure the answer is D. Brittle fracture. Temper embrittlement can make the material more susceptible to sudden, catastrophic failures during temperature changes.
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Art
29 days ago
It's important to be aware of the risks of brittle fracture when dealing with temper embrittlement.
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Gerald
1 months ago
Yes, temper embrittlement can definitely lead to brittle fracture under certain conditions.
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Stefan
2 months ago
I think you're right. Brittle fracture is a major concern with temper embrittlement.
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Lelia
3 months ago
But could it also be A) Thermal fatigue, since start-up and shutdown can cause thermal stresses?
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Thersa
3 months ago
I agree with Loreen, because temper embrittlement can lead to brittle fracture.
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Loreen
3 months ago
I think the answer is D) Brittle fracture.
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