Temper embrittlement - Study guides, Class notes & Summaries
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API 571 UPDATED Exam Questions and CORRECT Answers
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API 571 UPDATED Exam Questions and 
CORRECT Answers 
1. __________ is a change in the microstructure of certain carbon steels and 
0.5 Mo steels after long term operation in the 800º F to 1100º F range. 
A. Graphitization 
B. Softening 
C. Temper Embrittlement 
D. Creep - Correct ANSWER- A 
2. What structure is 304 stainless steel? 
A. Martensitic 
B. Austenitic 
C. Duplex 
D. Ferritic - Correct ANSWER- B
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API RP-571 - damage mechanisms Exam Review Questions With Solved Solutions.
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The 19 damage mechanisms are as follows... 1. ... embrittlement 2. ... fracture. 3. .... fatigue. 4. ..... 5. ... fatigue. 6. ... corrosion. 7. ....insulation. 8. ... water corrosion. 9. ... water .... corrosion. 10. ....dation. 11. ....cracking. 12. ... fatigue. 13. ....cracking. 14. ....corrosion. 15. ....water corrosion. 16. ....cracking. 17. ....damage. 18. .... Corrosion 19. .... attack. - Answer Temper. Brittle. Thermal. Erosion. Mechanical. Atmospheric. Corrosion under. Cooling. Boiler...
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API 571 Study Guide Exam Questions And Actual Answers.
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1. __________ is a change in the microstructure of certain carbon steels and 
 0.5 Mo steels after long term operation in the 800º F to 1100º F range. 
A. Graphitization 
B. Softening 
C. Temper Embrittlement 
D. Creep - Answer A 
 
2. What structure is 304 stainless steel? 
A. Martensitic 
B. Austenitic 
C. Duplex 
D. Ferritic - Answer B 
 
3. _________ is the result of cyclic stress caused by variations in temperature. 
A. Creep 
B. Thermal Fatigue 
C. Cyclic Cracking 
D. Stress Corro...
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API 510 Questions and Answers Already Passed
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API 510Questions and Answers Already 
 
Passed 
 
NDE examinations must be scheduled at intervals that consider the Probability of the NDE 
method to identify the damage 
 
What is the transition temperature of a metal? The temp at which the material fracture code 
changes from ductile to brittle 
 
A primary goal of API 510 internal inspection is to Find damage that cannot be found by 
monitoring external CMLs 
 
When conducting a hydrostatic pressure test special attention should be given when...
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API 510Questions and Answers Already Passed
- Exam (elaborations) • 15 pages • 2024
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NDE examinations must be scheduled at intervals that consider the Probability of the NDE 
method to identify the damage 
What is the transition temperature of a metal? The temp at which the material fracture code 
changes from ductile to brittle 
A primary goal of API 510 internal inspection is to Find damage that cannot be found by 
monitoring external CMLs 
When conducting a hydrostatic pressure test special attention should be given when testing low 
alloy steels especially 2 1/4 cr because T...
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API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified
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API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified 
 
At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? 
a) >10% 
b) >25% 
c) 20-40% 
d) >40% 
B 
4.2.20.1 
What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. 
a) shock tubes 
b) radian tubes 
c) tube hangers and supports 
d) convection tubes 
C 
4.4.6.4 c) 
Hydriding of titanium is a meta...
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API 510 Exam Questions and Answers 100% Pass
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API 510 Exam Questions and Answers 100% Pass 
NDE examinations must be scheduled at intervals that consider the 
Probability of the NDE method to identify the damage 
 
 
What is the transition temperature of a metal? 
The temp at which the material fracture code changes from ductile to brittle 
 
 
A primary goal of API 510 internal inspection is to 
Find damage that cannot be found by monitoring external CMLs 
 
 
When conducting a hydrostatic pressure test special attention should be given wh...
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API 571 Training Exam Questions And 100% Accurate Answers.
- Exam (elaborations) • 5 pages • 2024
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Graphitization - Answer A change in the carbide phase of C/S and 0.5 Mo steels after long term exposure to 800° F to 1100°F temperatures causing decomposition into graphite nodules. 
 
Softening(Spheroidization) - Answer A change in the microstructure of steels after exposure in the 850 to 1400 range, where the carbide phases in C/S are unstable and may agglomerate from their normal plate-like form to a spheroidal form. 
 
Temper Embrittlement - Answer The reduction in toughness due t...
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API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified
- Exam (elaborations) • 14 pages • 2024
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API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified 
 
At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? 
a) >10% 
b) >25% 
c) 20-40% 
d) >40% 
B 
4.2.20.1 
What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. 
a) shock tubes 
b) radian tubes 
c) tube hangers and supports 
d) convection tubes 
C 
4.4.6.4 c) 
Hydriding of titanium is a meta...
-
API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified
- Exam (elaborations) • 14 pages • 2024
-
- $10.49
- + learn more
API 571 Practice Exam #1 Questions And Correct Answers, 100% Verified 
 
At what oxygen content would many metals become flammable even at low pressures, whereas they are non-flammable in air? 
a) >10% 
b) >25% 
c) 20-40% 
d) >40% 
B 
4.2.20.1 
What area of a heater burning fuel oil with numerous impurities would first suffer damage from fuel ash corrosion. 
a) shock tubes 
b) radian tubes 
c) tube hangers and supports 
d) convection tubes 
C 
4.4.6.4 c) 
Hydriding of titanium is a meta...
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