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Exam API-571 topic 1 question 139 discussion

Actual exam question from API's API-571
Question #: 139
Topic #: 1
[All API-571 Questions]

Short term overheating is a permanent deformation occurring at relatively _________ stress levels as a result of localized overheating. This usually results in bulging and failure by stress rupture.

  • A. Low
  • B. High
  • C. Even
  • D. None of the above
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Suggested Answer: A 🗳️

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ahmadmm
1 year, 1 month ago
Short-term Overheating - Permanent deformation occurring at very high temperatures and typically relatively low stress levels as a result of localized overheating. It typically will result in bulging and eventual failure by stress rupture. If the temperature is high enough, failure will occur very quickly by tensile overload, since tensile strengths drop off dramatically at very high temperatures. At less severe temperatures, short-term creep failure will occur.
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