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API-571 Practice Exam & API-571 Best Questions & API-571 Certification Training
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API-571 - Corrosion and Materials Professional –High Pass-Rate Study Tool
All exam questions that contained in our API API-571 study engine you should know are written by our professional specialists with three versions to choose from: the PDF, the Software and the APP online. In case there are any changes happened to the API API-571 Exam, the experts keep close eyes on trends of it and compile new updates constantly.
What is the duration of the API-571 Exam
- Number of Questions: 70
- Length of Examination: 3.25 hours
- Format: Multiple choices, multiple answers
API Corrosion and Materials Professional Sample Questions (Q102-Q107):
NEW QUESTION # 102
In general, the resistance of carbon steel and other alloys to High temperature corrosion is determined by the ________ content of the material.
- A. All of the above
- B. Carbon
- C. Molybdenum
- D. Chromium
Answer: D
NEW QUESTION # 103
Which of the following is the lowest threshold temperature at which creep damage is a concern in carbon steel with tensile strength > 60ksi (414 MPa)?
- A. 600°F (316°C)
- B. 800°F (427°C)
- C. 700°F (371°C)
- D. 900°F (482°C)
Answer: C
Explanation:
API RP 571 states in the section on Creep Damage:
"Creep damage in carbon steels generally becomes a concern above 700°F (371°C), especially for steels with higher tensile strength (greater than 60 ksi)."
"For prolonged exposure above this temperature, time-dependent deformation can lead to material degradation and cracking, especially at weldments and stress concentrations." Thus, the lowest threshold for creep in high-strength carbon steels is 700°F (371°C), making option B correct.
NEW QUESTION # 104
With high temperature hydrogen attack, ________ using a combination of velocity ratio and backscatter have been the most successful in finding cracking.
Answer: C
NEW QUESTION # 105
The creep threshold temperature for carbon steel is ________.
- A. 426(o) C
- B. 371(o) C
- C. 315(o) C
- D. 538(o) C
Answer: B
NEW QUESTION # 106
Which of the following alkanolamine systems is the least aggressive in causing amine corrosion?
- A. Diglycolamine (DGA)
- B. Methyldiethanolamine (MDEA)
- C. Monoethanolamine (MEA)
- D. Diethanolamine (DEA)
Answer: B
NEW QUESTION # 107
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