API-571 Study Test - API-571 Exam Dumps Free

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API API-571 Exam Syllabus Topics:

Section	Objectives
Refining Process-Specific Damage	- Hydroprocessing units 1. High-pressure hydrogen service degradation 2. Hydrogen attack mechanisms - FCC and sulfur recovery units 1. Erosion-corrosion interactions 2. High-temperature sulfidic corrosion
Corrosion Mechanisms	- High-temperature corrosion 1. Oxidation 2. Sulfidation 3. Carburization - Aqueous corrosion 1. Uniform corrosion 2. Galvanic corrosion 3. Pitting corrosion 4. Microbiologically influenced corrosion (MIC) 5. Crevice corrosion
Environmentally Assisted Cracking	- Hydrogen-related damage 1. Hydrogen blistering 2. Hydrogen embrittlement 3. Hydrogen induced cracking (HIC) - Stress corrosion cracking 1. Caustic cracking 2. Chloride stress corrosion cracking
Materials Selection and Mitigation	- Corrosion control strategies 1. Corrosion inhibitors 2. Material selection principles 3. Coatings and linings
General Knowledge of Damage Mechanisms	- Overview of degradation in refining environments 1. Damage mechanism classification 2. Materials performance fundamentals
Metallurgical Damage Mechanisms	- Embrittlement phenomena 1. Sigma phase embrittlement 2. Temper embrittlement - High-temperature degradation 1. Thermal fatigue 2. Graphitization 3. Creep damage

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API API-571 Study Test: Corrosion and Materials Professional - DumpsKing Spend your Little Time and Energy to prepare

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API Corrosion and Materials Professional Sample Questions (Q72-Q77):

NEW QUESTION # 72
Carbon dioxide (CO²) corrosion results when CO² dissolves in water to form ________.

A. Carbonic acid
B. None of the above
C. Hydrofluoric acid
D. Carbon monoxide

Answer: A

NEW QUESTION # 73
Conditions favoring carburization include a high gas phase carbon activity and _______ oxygen potential.

A. Positive
B. High
C. Negative
D. Low

Answer: D

NEW QUESTION # 74
Corrosion due to acidic sour water containing H(2)S at a pH between 4.5 and 7.0 is called sour water corrosion. Carbon dioxide (CO(2)) may also be present. Which of the following materials is susceptible to sour water corrosion?

A. 400 Series SS
B. Both B and C
C. 300 Series SS
D. Carbon steel

Answer: D

NEW QUESTION # 75
Which of the following materials are the least susceptible to caustic embrittlement?

A. Stainless steel
B. Carbon steel
C. 9Cr-0.5 Mo
D. Nickel base alloys

Answer: D

NEW QUESTION # 76
Amine cracking is ________ likely to occur in lean MEA and DEA services than in MDEA and DIPA services.

A. None of the above
B. More
C. As
D. Less

Answer: B

NEW QUESTION # 77
......

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