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Exam API-571 topic 1 question 190 discussion

Actual exam question from API's API-571
Question #: 190
Topic #: 1
[All API-571 Questions]

Corrosion from oxygen tends to be __________ type damage and can show up anywhere even if only very small amounts break through the scavenging system.

  • A. General
  • B. Localized
  • C. Pitting
  • D. Cracking
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Suggested Answer: C 🗳️
by ahmadmm at Oct. 11, 2023, 9 a.m.

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ahmadmm
1 year, 1 month ago
Boiler Water and Steam Condensate Corrosion Corrosion from oxygen is normally a pitting type damage. It can occur anywhere in the system there is inleakage of air or even if only very small quantities break through the oxygen scavenging treatment. Oxygen is particularly aggressive in equipment such as closed heaters and economizers where there is a rapid water temperature rise.
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