Free API-571 Exam Braindumps (page: 33)

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In vessels and piping, creep cracking can occur where high metal temperatures and _________ occur together.

  1. Pressures
  2. Stress concentrations
  3. Velocities
  4. None of the above

Answer(s): B



Temper embrittlement _________ be prevented if the material contains critical levels of the embrittling impurity elements and is exposed in the embrittling range.

  1. Can
  2. Cannot
  3. Will
  4. None of the above

Answer(s): B



Cl SCC usually occurs at metal temperatures above ________.

  1. 125º F
  2. 175º F
  3. 140º F
  4. 200º F

Answer(s): C



Corrosion rates of the anode will be less affected if there is a _________ anode to cathode ratio.

  1. Large
  2. Small
  3. Severe
  4. None of the above

Answer(s): A






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