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Exam API-571 topic 1 question 172 discussion

Actual exam question from API's API-571
Question #: 172
Topic #: 1
[All API-571 Questions]

_________ significantly increases the probability and severity of blistering, HIC and SOHIC.

  • A. Hydrogen
  • B. Oxygen
  • C. Cyanide
  • D. Caustic
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Suggested Answer: C 🗳️
by ahmadmm at Oct. 11, 2023, 7:32 a.m.

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ahmadmm
1 year, 1 month ago
Cyanides, particularly in the vapor recovery sections of FCC and delayed coking units. significantly increase the probability and severity of blistering, HIC, and SOHIC damage.
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