Free API-571 Exam Braindumps (page: 4)

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Which of the following can be affected by 885º F Embrittlement?

  1. 410 SS
  2. 430 SS
  3. 308 SS
  4. Alloy 2205
  5. A, B and D

Answer(s): E



For 5Cr-0.5Mo, what is the threshold temperature for creep?

  1. 500º F
  2. 800º F
  3. 600º F
  4. 700º F

Answer(s): B



________ 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






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