The Ultimate API API-571 Dumps PDF Review
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How to study the API-571 Exam
There are two main types of resources for preparation of certification exams first there are the study guides and the books that are detailed and suitable for building knowledge from ground up then there are video tutorial and lectures that can somehow ease the pain of through study and are comparatively less boring for some candidates yet these demand time and concentration from the learner. Smart Candidates who want to build a solid foundation in all exam topics and related technologies usually combine video lectures with study guides to reap the benefits of both but there is one crucial preparation tool as often overlooked by most candidates the practice exams. Practice exams are built to make students comfortable with the real exam environment. Statistics have shown that most students fail not due to that preparation but due to exam anxiety the fear of the unknown. Pass4Leader expert team recommends you to prepare some notes on these topics along with it don't forget to practice API-571 Exam exam dumps which been written by our expert team, Both these will help you a lot to clear this exam with good marks.
NEW QUESTION # 10
Most brittle failures appear as:
- A. Cleveage.
- B. Branched cracking.
- C. Ductile tears.
- D. Intergranular cracking.
Answer: A
NEW QUESTION # 11
_________ is a form of carburization resulting in accelerated localized pitting which occurs in carburizing gases and/or process streams containing carbon and hydrogen. Pits usually form on the surface and may contain soot or graphite dust.
- A. Hydrate corrosion
- B. Carbide corrosion
- C. Metal dusting
- D. Spheroidization
Answer: C
NEW QUESTION # 12
Primarily hot-wall piping and equipment in the following units can be affected by graphitization. FCC, catalytic reformer and ______.
- A. Hydrotreater
- B. Alky
- C. Coker
- D. Hydrocracker
Answer: C
NEW QUESTION # 13
The more noble material, called the ________, is protected by sacrificial corrosion of the more active material, called the ________. The more active metal corrodes at a higher rate than it would if it were not connected to the more noble metal.
- A. Anode, Cathode
- B. Cathode, Anode
- C. None of the above
- D. Alpha, Omega
Answer: B
NEW QUESTION # 14
A condition where steel loses strength due to the removal of carbon and carbides leaving only an iron matrix is called decarburization. This occurs during high temperatures, during PWHT and from exposure to fires. Which of the following materials is not affected by this?
- A. Carbon steel
- B. None of the above
- C. Duplex SS
- D. Low alloy steel
Answer: C
NEW QUESTION # 15
Sulfuric acid promotes general and localized corrosion of carbon steel. Carbon steel heat affected zones may experience severe corrosion. Acid concentration, temperature, alloy content and ____________ are critical factors affecting sulfuric acid corrosion.
- A. Pressure
- B. Velocity
- C. Ductility
- D. Stress
Answer: B
NEW QUESTION # 16
What standard refers to Fitness-For-Service evaluations?
- A. RP 581
- B. RP 579
- C. RP 568
- D. RP 588
Answer: B
NEW QUESTION # 17
Geometry, stress level, _________ and material properties are the predominate factors in determining the fatigue resistance of a component.
- A. Pressure
- B. Temperature
- C. Number of cycles
- D. Velocity
Answer: C
NEW QUESTION # 18
Which of the following is not a primary initiating point for thermal fatigue?
- A. Notches
- B. Rounded pits
- C. Nozzle-to-shell welds
- D. Weld toes
Answer: B
NEW QUESTION # 19
A form of thermal cracking, __________, can occur when high and nonuniform thermal stresses develop over a relatively short period of time in a piece of equipment due to differential expansion and contraction.
- A. Linear expansion
- B. Thermal expansion
- C. Thermal shock
- D. Thermal stress
Answer: C
NEW QUESTION # 20
Which of the following is not a major factor associated with boiler water condensate corrosion?
- A. Temperature
- B. Oxygen content
- C. Carbon dioxide content
- D. Operating pressure
- E. Process ph
Answer: D
NEW QUESTION # 21
Carburization can be confirmed by a substantial increase in hardness and a _______ in ductility.
- A. Loss
- B. Change
- C. Gain
- D. None of the above
Answer: A
NEW QUESTION # 22
____________ is the reduction in toughness due to a metallurgical change that can occur in some low alloy steels as a result of long-term exposure in the temperature range of about 650(o) F to 1100(o) F.
- A. Temper embrittlement
- B. Hardening
- C. Spheroidization
- D. Graphitization
Answer: A
NEW QUESTION # 23
Thermal fatigue is caused by:
- A. Hours of physical activity during a hot summer day.
- B. Cyclic stresses that come from temperature variations.
- C. Long term operation at elevated temperatures.
- D. Excessive thermal growth.
Answer: B
NEW QUESTION # 24
When connected to a more anodic material, titanium may suffer severe __________.
- A. Corrosion
- B. Notch toughness
- C. Hydriding
- D. Stress
Answer: C
NEW QUESTION # 25
General or localized corrosion of carbon steels and other metals caused by dissolved salts, gases, organic compounds or microbiological activity is called _______.
- A. Cooling water corrosion
- B. MIC
- C. None of the above
- D. Oxidation
Answer: A
NEW QUESTION # 26
Graphitization can be prevented by using chromium containing low alloys steels for long-term exposure above
________.
- A. 650º F
- B. 700º F
- C. 750º F
- D. 800º F
Answer: D
NEW QUESTION # 27
High temperature H(2) / H(2)S corrosion damage is minimized by using alloys with high _________ content.
- A. Carbon
- B. Molybdenum
- C. Chromium
- D. Stainless
Answer: C
NEW QUESTION # 28
Surface initiated cracks caused by environmental cracking of 300 Series SS and some nickel based alloys under the combined action of tensile stress, temperature and an aqueous chloride environmental is called ________. The presence of dissolved oxygen ___________ the propensity for cracking.
- A. Cl SCC, Increases
- B. Stress cracking, Decreases
- C. Stress cracking, Increases
- D. Cl SCC, Decreases
Answer: A
NEW QUESTION # 29
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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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