API 571 practice test

API 571 · Question 1 of 2544:19

Damage mechanisms: appearance or morphology of damage

What does erosion-corrosion damage typically look like on a carbon steel elbow?

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Smooth gullies or horseshoe-shaped pits aligned with the flowFine cracks at right angles to the direction of the applied stressEvenly spaced blisters across the wallRaised scale with no loss of wall

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Every question is original and written to American Petroleum Institute's published content outline, and every explanation cites the code section or source it relies on.