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Exam API-571 All Questions

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Exam API-571 topic 1 question 93 discussion

Actual exam question from API's API-571
Question #: 93
Topic #: 1
[All API-571 Questions]

Spheroidization and graphitization are competing mechanisms that occur at overlapping temperature ranges. Spheroidization tends to occur preferentially above _______ while graphitization predominates below this temperature.

  • A. 1000º F
  • B. 1025º F
  • C. 1050º F
  • D. 1100º F
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Suggested Answer: B 🗳️

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ahmadmm
1 year, 4 months ago
Spheroidization (3.59) and graphitization are competing mechanisms that occur at overlapping temperature ranges. Spheroidization tends to occur preferentially above 1025 °F (550 °C), while graphitization predominates below this temperature.
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