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:

ACyclic stresses that come from temperature variations.

BLong term operation at elevated temperatures.

CExcessive thermal growth.

DHours of physical activity during a hot summer day.

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Suggested Answer: A

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

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Paola

2 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

1 months ago

A) Cyclic stresses that come from temperature variations.

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Refugia

1 months ago

That makes sense, but I think it's more about the temperature fluctuations.

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Carma

1 months ago

B) Long term operation at elevated temperatures.

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Jeannetta

1 months ago

Definitely, thermal fatigue is all about those temperature changes.

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Alline

2 months ago

A) Cyclic stresses that come from temperature variations.

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Glenna

3 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

2 months ago

C) Excessive thermal growth.

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Alyce

2 months ago

B) Long term operation at elevated temperatures.

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Mariko

2 months ago

A) Cyclic stresses that come from temperature variations.

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Deeanna

3 months ago

I think long term operation at elevated temperatures is the main cause of thermal fatigue.

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Tu

3 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

3 months ago

I believe excessive thermal growth could also contribute to thermal fatigue.

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Dino

3 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

1 months ago

D) Hours of physical activity during a hot summer day are not related to thermal fatigue.

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Shawna

1 months ago

C) Excessive thermal growth is another factor that can cause thermal fatigue.

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Gearldine

1 months ago

B) Long term operation at elevated temperatures can also contribute to thermal fatigue.

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Amalia

1 months ago

A) Cyclic stresses from temperature variations - that's the one! Thermal fatigue is all about those temperature cycles.

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Venita

2 months ago

B) Long term operation at elevated temperatures - that can also contribute to material degradation.

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Odette

3 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

3 months ago

I agree with Cristina, it makes sense that temperature changes would cause fatigue.

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Cristina

4 months ago

I think thermal fatigue is caused by cyclic stresses from temperature variations.

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