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Which of these materials are not susceptible to PASCC?
Which of these materials are not susceptible to PASCC?A . Carbon steelB . 300 Series SSC . 400 Series SSD . Both A and CView AnswerAnswer: D
The most common method used for monitoring underground structures is measuring the structure to soil ______ using dedicated reference electrodes near the structure.
The most common method used for monitoring underground structures is measuring the structure to soil ______ using dedicated reference electrodes near the structure.A . ResistivityB . CorrosivenessC . PotentialD . ElectrolyteView AnswerAnswer: C
What standard refers to Fitness-For-Service evaluations?
What standard refers to Fitness-For-Service evaluations?A . RP 581B . RP 579C . RP 588D . RP 568View AnswerAnswer: B
At high temperatures, metal components can slowly and continuously deform under load below the yield stress. This time dependent deformation of stressed components is known as __________.
At high temperatures, metal components can slowly and continuously deform under load below the yield stress. This time dependent deformation of stressed components is known as __________.A . DeformationB . FatigueC . CreepD . Thermal fatigueView AnswerAnswer: C
Heat treatment can have a significant effect on the toughness and hence fatigue resistance of a metal. In general, ________ grained microstructures tend to perform better than _________ grained.
Heat treatment can have a significant effect on the toughness and hence fatigue resistance of a metal. In general, ________ grained microstructures tend to perform better than _________ grained.A . Fine, CourseB . Austenetic, martensiticC . Course, FineD . Martensitic, austeneticView AnswerAnswer: A
Temper embrittlement is a metallurgical change that is not readily apparent and can be confirmed through ________.
Temper embrittlement is a metallurgical change that is not readily apparent and can be confirmed through ________.A . Metallographic examinationB . Impact testingC . MetallographyD . None of the aboveView AnswerAnswer: B
________ has been a major problem on coke drum shells.
________ has been a major problem on coke drum shells.A . Thermal fatigueB . Stress crackingC . ErosionD . Temper embrittlementView AnswerAnswer: A
________ usually occurs when a colder liquid contacts a warmer metal surface.
________ usually occurs when a colder liquid contacts a warmer metal surface.A . Stress crackingB . Thermal fatigueC . Thermal shockD . Stress shockView AnswerAnswer: C
With sour water corrosion, at a given pressure, the H²S concentration in the sour water _________ as temperatures ________.
With sour water corrosion, at a given pressure, the H²S concentration in the sour water _________ as temperatures ________.A . Increases, increasesB . Decreases, decreasesC . Increases, decreasesD . Decreases, increasesView AnswerAnswer: D
Thermal fatigue is caused by:
Thermal fatigue is caused by:A . Cyclic stresses that come from temperature variations.B . Long term operation at elevated temperatures.C . Excessive thermal growth.D . Hours of physical activity during a hot summer day.View AnswerAnswer: A
