API API-571 Exam Practice Questions (P. 2)
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Question #11
________ has been a major problem on coke drum shells.
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Question #12
Thermal fatigue cracks propagate ________ to the stress and are usually dagger shaped, transgranular and oxide-filled.
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Question #13
Inspection for wet H2S damage generally focuses on _____ and ______.
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Question #14
________ is a form of erosion caused by the formation and instantaneous collapse of innumerable tiny vapor bubbles.
- ACondensate corrosion
- BCavitation
- CDew-Point corrosion
- DAtmospheric corrosion
Correct Answer:
B
B
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Question #15
With CUI, corrosion rates __________ with increasing metal temperatures up to the point where the water evaporates quickly.
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Question #16
Which of the following metals is the most anodic?
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Question #17
Cracking of dissimilar weld metals occurs on the _________ side of a weld between an austenitic and a Ferritic material operating at high temperatures.
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Question #18
Soil to Air interface areas are usually more susceptible to corrosion than the rest of the structure because of ___________ and __________ availability.
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Question #19
Carburization can be confirmed by substantial increases in _______ and loss of __________.
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Question #20
Liquid metal embrittlement can occur if 300 Series SS comes in contact with molten _______.
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