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Free API-571 Exam Braindumps (page: 38)

Page 37 of 114
PDF with 454 Questions

Corrosion rates of the anode can be high if there is a _______ anode to cathode ratio.

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

Answer(s): B



Application of a post-fabrication stress relieving heat treatment of about ______ is a proven method of preventing carbonate cracking.

  1. 1100º F
  2. 1150º F
  3. 1200º F
  4. 1250º F

Answer(s): B



Ammonium chloride corrosion is the general or localized corrosion, often pitting, normally occurring under ammonium chloride or amine salt deposits. All commonly used materials are susceptible to ammonium chloride corrosion. A small amount of _________ can lead to very aggressive corrosion.

  1. Ammonium chloride
  2. Amine
  3. Water
  4. Salt

Answer(s): C



_________ is a mechanical form of degradation that occurs when a component is exposed to cyclical stresses for an extended period, often resulting in sudden, unexpected failure.

  1. Stress fatigue
  2. Mechanical fatigue
  3. Thermal fatigue
  4. Cyclic fatigue

Answer(s): B






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