API Corrosion and Materials Professional API-571 Dumps in PDF

Free API API-571 Real Questions (page: 3)

________ has been a major problem on coke drum shells.

  1. Thermal fatigue
  2. Stress cracking
  3. Erosion
  4. Temper embrittlement

Answer(s): A



Thermal fatigue cracks propagate ________ to the stress and are usually dagger shaped, transgranular and oxide-filled.

  1. Axial
  2. Diagonal
  3. Transverse
  4. Angular

Answer(s): C



Inspection for wet H2S damage generally focuses on _____ and ______.

  1. Weld seams
  2. Nozzles
  3. Trays
  4. Down comers
  5. A and B

Answer(s): E



________ is a form of erosion caused by the formation and instantaneous collapse of innumerable tiny vapor bubbles.

  1. Condensate corrosion
  2. Cavitation
  3. Dew-Point corrosion
  4. Atmospheric corrosion

Answer(s): B



With CUI, corrosion rates __________ with increasing metal temperatures up to the point where the water evaporates quickly.

  1. Decrease
  2. Increase
  3. Stay the same
  4. None of the above

Answer(s): B



Share your comments for API API-571 exam with other users:

M
Merry
7/30/2023 6:57:00 AM

good questions

V
VoiceofMidnight
12/17/2023 4:07:00 PM

Delayed the exam until December 29th.

U
Umar Ali
8/29/2023 2:59:00 PM

A and D are True

V
vel
8/28/2023 9:17:09 AM

good one with explanation

G
Gurdeep
1/18/2024 4:00:15 PM

This is one of the most useful study guides I have ever used.

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