API-571 Valid Real Test & Exam API-571 Questions Pdf

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API API-571 Exam Syllabus Topics:

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

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API Corrosion and Materials Professional Sample Questions (Q108-Q113):

NEW QUESTION # 108
Dissimilar weld metal cracking can be aggravated by _______.

Answer: C


NEW QUESTION # 109
Which of the following is a contributing factor in caustic corrosion?

Answer: B

Explanation:
API RP 571 describes under Caustic Corrosion:
"One of the significant contributing factors is caustic accumulation in low-flow or stagnant areas, especially in heat-traced lines or around steam injection points."
"Localized heating can concentrate caustic solutions, promoting corrosion even in carbon or stainless steels." Thus, option C (heat-traced equipment) is the correct and technically accurate choice.


NEW QUESTION # 110
Hydrogen stress cracking is the same mechanism that is responsible for sulfide stress corrosion cracking in wet H²S environments except that HF acid is generating the __________.

Answer: A


NEW QUESTION # 111
Lean amine is generally not corrosive because they have either low conductivity and/or high pH. Corrosion rates increase with increasing temperatures, particularly in rich amine service. Temperatures above
_________ can result in acid gas flashing and severe localized corrosion.

Answer: A


NEW QUESTION # 112
Inspection for wet H2S damage generally focuses on _____ and ______.

Answer: C


NEW QUESTION # 113
......

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