API Exam API-571 Topic 1 Question 61 Discussion

Actual exam question for API's API-571 exam

Question #: 61
Topic #: 1

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.

AThermal fatigue

BCyclic stress

CNotch toughness

DBrittle fracture

Show Suggested Answer

Suggested Answer: B

by Mirta at Dec 06, 2022, 06:30 AM

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Lelia

11 days ago

But could it also be A) Thermal fatigue, since start-up and shutdown can cause thermal stresses?

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Thersa

13 days ago

I agree with Loreen, because temper embrittlement can lead to brittle fracture.

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Loreen

18 days ago

I think the answer is D) Brittle fracture.

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