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API Exam API-571 Topic 1 Question 94 Discussion

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

Thermal fatigue is caused by:

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Suggested Answer: A

Contribute your Thoughts:

Paola
1 months ago
Thermal fatigue, huh? Sounds like a condition you'd get from too much time in the sauna! Just kidding, but A is the clear winner here.
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Raina
2 days ago
A) Cyclic stresses that come from temperature variations.
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Refugia
3 days ago
That makes sense, but I think it's more about the temperature fluctuations.
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Carma
5 days ago
B) Long term operation at elevated temperatures.
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Jeannetta
9 days ago
Definitely, thermal fatigue is all about those temperature changes.
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Alline
20 days ago
A) Cyclic stresses that come from temperature variations.
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Glenna
2 months ago
D) Hours of physical activity in the summer heat? Really? That's just general fatigue, not the specific thermal kind.
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Judy
20 days ago
C) Excessive thermal growth.
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Alyce
25 days ago
B) Long term operation at elevated temperatures.
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Mariko
1 months ago
A) Cyclic stresses that come from temperature variations.
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Deeanna
2 months ago
I think long term operation at elevated temperatures is the main cause of thermal fatigue.
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Tu
2 months ago
B) Long term operation at elevated temps - hmm, that could contribute, but I think A captures the core cause better.
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Lavonna
2 months ago
I believe excessive thermal growth could also contribute to thermal fatigue.
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Dino
2 months ago
A) Cyclic stresses from temperature variations - that's the one! Thermal fatigue is all about those temperature cycles.
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Colton
7 days ago
D) Hours of physical activity during a hot summer day are not related to thermal fatigue.
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Shawna
8 days ago
C) Excessive thermal growth is another factor that can cause thermal fatigue.
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Gearldine
9 days ago
B) Long term operation at elevated temperatures can also contribute to thermal fatigue.
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Amalia
13 days ago
A) Cyclic stresses from temperature variations - that's the one! Thermal fatigue is all about those temperature cycles.
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Venita
1 months ago
B) Long term operation at elevated temperatures - that can also contribute to material degradation.
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Odette
2 months ago
A) Cyclic stresses from temperature variations - that's the one! Thermal fatigue is all about those temperature cycles.
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Dorothy
2 months ago
I agree with Cristina, it makes sense that temperature changes would cause fatigue.
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Cristina
3 months ago
I think thermal fatigue is caused by cyclic stresses from temperature variations.
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