Free API API-571 Exam Questions
Absolute Free API-571 Exam Practice for Comprehensive Preparation
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API API-571 Exam Questions
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Provided By: API
- Exam: Corrosion and Materials Professional
- Certification: Individual Certification Programs
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Total Questions: 454
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Updated On: May 09, 2025
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Rated: 4.9 |
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Online Users: 908
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Question 1
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Hydrogen blisters may form as surface bulges on the ID, the OD on within the wall
thickness of a pipe or pressure vessel. Blistering occurs from hydrogen generated by
______, not hydrogen gas from the process stream.
Answer: B
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Hydrogen blisters may form as surface bulges on the ID, the OD on within the wall
thickness of a pipe or pressure vessel. Blistering occurs from hydrogen generated by
______, not hydrogen gas from the process stream.
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Question 2
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Thermal fatigue cracks usually propagate _______ to the stress and they are usually
dagger-shaped.
Answer: C
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Thermal fatigue cracks usually propagate _______ to the stress and they are usually
dagger-shaped.
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Question 3
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Which of the following is not a method used to prevent brittle fracture?
Answer: A
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Which of the following is not a method used to prevent brittle fracture?
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Question 4
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Soil to Air interface areas are usually more susceptible to corrosion than the rest of the
structure because of ___________ and __________ availability.
Answer: A
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Soil to Air interface areas are usually more susceptible to corrosion than the rest of the
structure because of ___________ and __________ availability.
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Question 5
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Short term overheating is a permanent deformation occurring at relatively _________
stress levels as a result of localized overheating. This usually results in bulging and failure
by stress rupture
Answer: A
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Short term overheating is a permanent deformation occurring at relatively _________
stress levels as a result of localized overheating. This usually results in bulging and failure
by stress rupture