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5 Written Questions

5 Matching Questions

  1. Galvanic Corrosion
  2. Intergranular Attack
  3. Cladding defects
  4. Solvent
  5. Methods to remove impurities
  1. a Liquid
  2. b corrodent attacks the grain boundaries without sufficient stress to cause cracking
  3. c atoms pass through imperfect welds, minute cracks, larger holes
  4. d Two dissimilar metals in electrical contact in a conductive environment
  5. e Letdown/makeup, Filtration, Ion exchangers,

5 Multiple Choice Questions

  1. Temperature and Pressure
  2. Metal is oxidized and other substance is reduced
  3. Crevice forms underneath bacteria colony and a harsh chemical environment
  4. Synergistic interaction of temp, tensile stress, corrosive env, and susceptible environment
  5. Removes Na+ ions and replaced with H+

5 True/False Questions

  1. DiffusionLocalized electrochemical attack occurring in the vicinity of local irregularities that forms a local anodic area


  2. Nickel based alloys (niconels) are used in?valve seats


  3. Periodic Table - GroupHorizontal Column


  4. Boron 10Number one tritium producer


  5. Boiling in a BWR happens where?Core


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