최신 API-571 무료덤프 - API Corrosion and Materials Professional
(A section of vacuum bottom outlet piping is being replaced because of naphthenic acid corrosion (NAC).
Which of the following potential replacement materials would be most resistant to NAC?)
Which of the following potential replacement materials would be most resistant to NAC?)
정답: D
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Corrosion under insulation mitigation is best achieved by:
정답: B
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(A metal cracks because of stress relaxation during postweld heat treatment (PWHT) of a heavy wall section.
This type of cracking is best categorized as:)
This type of cracking is best categorized as:)
정답: B
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Which of the following generally manifests itself as a subsurface damage mechanism?
정답: C
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Which of the following locations would be most susceptible to naphthenic acid corrosion (NAC)?
정답: B
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(Which of the following is the appropriate method for monitoring hydrochloric acid corrosion susceptibility in an atmospheric crude unit?)
정답: D
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The form of corrosion most often caused by sulfidation is typically described as:
정답: B
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Both sulfide stress corrosion cracking and stress-oriented hydrogen-induced cracking are most often found in:
정답: D
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(For hydrogen embrittlement, the amount of hydrogen necessary for a measurable effect on the mechanical properties varies with the alloy's strength, microstructure, and:)
정답: B
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