API 571 FOR API 570 ( FLUE GAS DEW POINT CORROSION)

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Author:
egf4201
ID:
299891
Filename:
API 571 FOR API 570 ( FLUE GAS DEW POINT CORROSION)
Updated:
2015-04-04 00:23:54
Tags:
API 571 570 FLUE GAS DEW POINT CORROSION
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API 571 FOR API 570 ( FLUE GAS DEW POINT CORROSION)
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API 571 FOR API 570 ( FLUE GAS DEW POINT CORROSION)
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  1. Dew Point Corrosion is the result of condensing:
    acids
  2. Which of the following acids is not considered in Flue Gas Dew Point Corrosion?
    A) Hydrochloric acid
    B) Sulfuric acid
    C) Sulfurous acid
    D) Hydroflouric acid
    D) Hydroflouric acid
    (this multiple choice question has been scrambled)
  3. Which of the following materials is not affected by Dew Point Corrosion?
    A) CS
    B) Chromes
    C) Kyptonite
    D) 300-series SS
    C) Kyptonite
    (this multiple choice question has been scrambled)
  4. The typical dew point for sulfuric acid is
    280 deg F
  5. The typical dew point for hydrochloric acid is
    130 deg F
  6. In furnaces or boilers, there is the potential for sulfuric acid Dew Point Corrosion in
    economizer section
  7. Dew Point Corrosion can occur in furnaces and boilers that burn fuels containing:
    sulfur
  8. Hydrochloric acid Dew Point Corrosion in 300- series SS appears as:
    cracks
  9. Sulfuric acid Dew Point Corrosion in CS appears as :
    general corrosion with shallow pits
  10. The best way to prevent Dew Point Corrosion in a furnace stack is to:
    maintain flue gas temp above the acid's dew point temp

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