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Certification Path
The API Corrosion and Materials certification path includes only one API-571 certification exam.
NEW QUESTION # 152
The best way to prevent 885(o) F embrittlement is to use low ________ alloys, or to avoid exposing the susceptible material to the embrittling range.
- A. Chromium
- B. Austenite
- C. Ferrite
- D. Martensite
Answer: C
NEW QUESTION # 153
Which of these cast irons are not susceptible to graphitic corrosion?
- A. None of the above
- B. Black Cast iron
- C. White cast iron
- D. Gray cast iron
Answer: C
NEW QUESTION # 154
Cooling water corrosion and __________ are closely related and should be considered together.
- A. Stress
- B. Velocity
- C. Fouling
- D. Erosion
Answer: C
NEW QUESTION # 155
MIC is often found in _________, bottom water of storage tanks, piping with stagnant or low flow and piping in contact with some soils.
- A. Heat exchangers
- B. All of the above
- C. Drums
- D. Vessels
Answer: A
NEW QUESTION # 156
A loss in ductility of high strength steels due to the penetration of atomic hydrogen can lead to brittle cracking called hydrogen embrittlement. Which of the following materials is susceptible to HE.
- A. All of the above
- B. Carbon steel
- C. 400 Series SS
- D. Low alloy steel
Answer: A
Explanation:
Explanation
NEW QUESTION # 157
What is the chemical symbol for ethane or ethylene?
- A. C4
- B. C3
- C. CH4
- D. C²
Answer: D
NEW QUESTION # 158
Wet H2S services or _________ acid services are process where hydrogen diffuses into the steel and hydrogen embrittlement (HE) is an issue.
- A. HCL
- B. Sulfuric
- C. Caustic
- D. HF
Answer: D
NEW QUESTION # 159
Hydrogen blisters may form at many different depths from the surface of the steel, in the middle of the plate or near a weld. In some cases, neighboring or adjacent blisters that are at slightly different depths (planes) may develop cracks that link them together.
Interconnecting cracks between the blisters often have a __________ appearance.
- A. Step like
- B. Crescent
- C. Jagged
- D. Eyebrow
Answer: A
NEW QUESTION # 160
Cracking of dissimilar weld metals occurs on the _________ side of a weld between an austenitic and a Ferritic material operating at high temperatures.
- A. Anodic
- B. Ferritic
- C. Cathodic
- D. Austenitic
Answer: B
NEW QUESTION # 161
SSC is a form of ________ stress corrosion cracking.
- A. Hydrogen
- B. Polythionic
- C. Alkaline
- D. Caustic
Answer: A
NEW QUESTION # 162
With sulfuric acid corrosion, carbon steel corrosion rates increases significantly if the flow velocity exceeds about ________m fps or at acid concentrations below _________.
- A. 5-7, 75%
- B. 4-6, 85%
- C. 2-3, 65%
- D. 6-9, 80%
Answer: C
NEW QUESTION # 163
To prevent carburization, select alloys with a strong surface oxide or sulfide film former such as ________.
- A. Both A and C
- B. Silicon
- C. Aluminum
- D. Molybdenum
Answer: A
NEW QUESTION # 164
Inspecting for high-cycle fatigue can be difficult since:
- A. Predicting the location of cracking is difficult.
- B. Often the equipment is vibrating making non-destructive evaluations difficult.
- C. Once the crack begins, only a few cycles are needed for the crack to lead to failure.
- D. The cracks are extremely tight.
Answer: C
NEW QUESTION # 165
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.
- A. High
- B. None of the above
- C. Low
- D. Even
Answer: C
NEW QUESTION # 166
Amine stress corrosion cracking is most often associated with lean amine services. The pure alkanolamine does not cause cracking. Cracking in rich amine services are most often associated with _______ problems.
- A. Stress
- B. Temperature
- C. H2S
- D. Wet H2S
Answer: D
NEW QUESTION # 167
HTHA is dependant on temperature, hydrogen partial pressure, time and _________.
- A. Stress
- B. Tensile strength
- C. Yield
- D. Pressure
Answer: A
Explanation:
Explanation
NEW QUESTION # 168
Amine stress corrosion cracking is most often associated with lean amine services. The pure alkanolamine does not cause cracking. Cracking in rich amine services are most often associated with _______ problems.
- A. Stress
- B. Wet H(2)S
- C. Temperature
- D. H(2)S
Answer: B
NEW QUESTION # 169
In most cases, brittle fracture occurs only at temperatures below the Charpy impact transition temperature.
Steel cleanliness and ________ have a significant influence on toughness and resistance to brittle fracture.
- A. Grain size
- B. Alloy composition
- C. Tensile strength
- D. Pressure
Answer: A
NEW QUESTION # 170
Which of the following can be affected by 885º F Embrittlement?
- A. 308 SS
- B. Alloy 2205
- C. 430 SS
- D. 410 SS
- E. A, B and D
Answer: E
Explanation:
Explanation/Reference:
NEW QUESTION # 171
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API Corrosion and Materials API-571 Exam
API Corrosion and Materials API-571 Exam is related to Advanced Corrosion & Materials Professional Certifications. This exam validates the knowledge and skills of corrosion engineers, corrosion processes among specialized inspectors, chemical engineers and other professionals across the entire petrochemical industry. Highly Specialized Inspectors, Corrosion Engineers and Chemical Engineers usually hold or pursue this certification and you can expect the same job role after completion of this certification.
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