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API-571 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our API-571 exam dumps will include the following topics:
- Explore refining industry damage mechanisms for environment assisted cracking and be able to identify the other types of mechanisms.
- Identify the various mechanical and metallurgical failure mechanisms such as brittle fracture, steam blanketing, stress rupture, cracking, thermal shock, fatigue and corrosion.
- Possess a general background on the scope, organization and use of API 571 and be able to review the standards and other references related to it.
- Determine general damage mechanisms on uniform or localized loss thickness and explain the various types of corrosion related to it.
- Knowledge of general damage mechanisms applicable to the industry and be able to identify their features and functions.
- Understand refining industry damage mechanisms used in uniform of localized loss in thickness phenomena.
- Explore damage mechanisms on high temperature corrosion including oxidation, sulfidation, carburization and metal dusting.
API API-571 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Terms, Definitions, and Acronyms | 5% | |
| Environmentally Assisted Cracking | 25% | - Sulfide Stress Cracking - Hydrogen Embrittlement - Chloride Stress Corrosion Cracking - Caustic Stress Corrosion Cracking |
| Mechanical and Metallurgical Failure Mechanisms | 15% | - Brittle Fracture - Creep and Stress Rupture - Thermal Fatigue - Mechanical Fatigue |
| Other Damage Mechanisms | 15% | - Liquid Metal Embrittlement - Microbiologically Influenced Corrosion - Erosion and Erosion-Corrosion - Cavitation Damage |
| High-Temperature Corrosion and Degradation | 15% | - Metal Dusting - Carburization - Decarburization - Graphitization |
| Uniform or Localized Loss of Thickness | 25% | - Ammonium Bisulfide Corrosion - Corrosion Under Insulation (CUI) - Oxidation and Scaling - Sulfidation - Hydrochloric Acid Corrosion |
API Corrosion and Materials Professional Sample Questions:
300 series austenitic stainless steels susceptible to polythionic acid stress corrosion cracking (PTA SCC) can become sensitized when heated in the range of:
- A. 1200°F to 1650°F (622°C to 900°C)
- B. 400°F to 675°F (204°C to 357°C)
- C. 750°F to 1500°F (400°C to 815°C)
- D. 1650°F to 1725°F (899°C to 941°C)
Correct Answer: C 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
(An equipment component made of 1-1/4 Cr-1/2 Mo steel that has lost ductility due to temper embrittlement would be susceptible to further damage by which of the following mechanisms?)
- A. 885 °F (475 °C) embrittlement
- B. Ductile rupture
- C. Graphitization
- D. Thermal shock
Correct Answer: D 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
Microbiologically induced corrosion is largely independent of the:
- A. pH of the fluid
- B. Velocity of the flow stream
- C. Presence of hydrogen sulfide
- D. Water content of the process
Correct Answer: B 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
Severe internal grooving corrosion is found at the bottom of a 4-inch (101.6 mm) carbon steel piping system in steam condensate service. Which of the following is the most likely cause?
- A. Carbon dioxide corrosion
- B. Carbonate corrosion
- C. Ammonium bisulfide corrosion
- D. Erosion-corrosion
Correct Answer: A 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
Blistering and hydrogen-induced cracking (HIC) damage are most affected by what aspect of steels?
- A. Inclusions
- B. Residual Stress
- C. Hardness
- D. Permeability
Correct Answer: A 🗳️
Explanation: Only visible for Pass4sures members. You can sign-up / login (it's free).
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