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Reference: http://www.api.org/products-and-services/individual-certification-programs/certifications/api571#tab_exam-info

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API API-571 Exam Syllabus Topics:

SectionObjectives
Damage Mechanisms- Uniform or Localized Loss of Thickness
  • 1. Cooling Water Corrosion
  • 2. Caustic Corrosion
  • 3. Microbiologically Influenced Corrosion (MIC)
  • 4. Flow-Accelerated Corrosion (FAC) / Flow-Assisted Corrosion
  • 5. Flue Gas Dew Point Corrosion
  • 6. Soil Corrosion
  • 7. Galvanic Corrosion
  • 8. Atmospheric Corrosion
  • 9. Corrosion Under Insulation (CUI)
  • 10. CO2 Corrosion
  • 11. Boiler Water / Condensate Corrosion
  • 12. Dealloying (Selective Leaching)
- High Temperature Corrosion (800°F / 425°C and above)
  • 1. Fuel Ash Corrosion
  • 2. Sulfidation
  • 3. Carburization
  • 4. Nitriding
  • 5. Metal Dusting
  • 6. Oxidation
- General / Mechanical
  • 1. Mechanical Fatigue
  • 2. Zinc Embrittlement
  • 3. Fatigue
  • 4. Erosion/Erosion-Corrosion
  • 5. Vibration-Induced Fatigue
  • 6. Softening (Spheroidization)
  • 7. Strain Aging
  • 8. Graphitization
  • 9. Brittle Fracture
  • 10. Metal Dusting
  • 11. Galvanic Corrosion
  • 12. Thermal Fatigue
  • 13. Stress Relief Cracking
  • 14. Atmospheric Corrosion
  • 15. Corrosion Under Insulation (CUI)
  • 16. Hydrogen Embrittlement
  • 17. Cavitation
  • 18. Sigma Phase Embrittlement
  • 19. 885°F (475°C) Embrittlement
  • 20. Liquid Metal Embrittlement (LME)
  • 21. Dissimilar Metal Weld (DMW) Cracking
  • 22. Fretting / Fretting Corrosion
  • 23. Creep / Stress Rupture
  • 24. Temper Embrittlement
- High-Temperature Hydrogen Attack (HTHA)
  • 1. Decarburization
  • 2. Internal Hydrogen Attack (IHA)
- Environment-Assisted Cracking
  • 1. Carbonate Stress Corrosion Cracking
  • 2. Polythionic Acid Stress Corrosion Cracking (PTA-SCC)
  • 3. Chloride Stress Corrosion Cracking (Cl-SCC)
  • 4. Ethanol Stress Corrosion Cracking (SCC)
  • 5. Stress-Oriented Hydrogen-Induced Cracking (SOHIC)
  • 6. Sulfide Stress Cracking (SSC) / Hydrogen Stress Cracking
  • 7. Caustic Stress Corrosion Cracking
  • 8. Amine Stress Corrosion Cracking
  • 9. Hydrogen-Induced Cracking (HIC) / Stepwise Cracking
  • 10. Hydrogen Embrittlement
  • 11. Ammonia Stress Corrosion Cracking

API Corrosion and Materials Professional Sample Questions:

(Deaerators that have not been postweld heat-treated are commonly subject to:)

  • A. Steam blanketing
  • B. Caustic stress corrosion cracking
  • C. Corrosion fatigue
  • D. Vibration-induced fatigue
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

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(Grooving in cooling water tubes could be due to:)

  • A. Electric resistance welds
  • B. Underdeposit corrosion
  • C. Flow-induced erosion
  • D. Microbiologically induced corrosion
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).

At what minimum level of nickel content does an alloy become nearly immune to chloride stress corrosion cracking?

  • A. 35%
  • B. 45%
  • C. 20%
  • D. 12%
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).

What arbitrary value of hydrogen sulfide in water is often used as the defining concentration where cracking damage becomes a problem in carbon steel pipe?

  • A. 1 ppmw
  • B. 0.5%
  • C. 50 ppmw
  • D. 0.05%
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).

What is the best way to inspect for brittle fracture?

  • A. Wet fluorescent magnetic-particle testing
  • B. Ultrasonic examination
  • C. There is no effective way
  • D. Tensile testing
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Explanation: Only visible for 2Pass4sure members. You can sign-up / login (it's free).

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