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5 Written questions

5 Matching questions

  1. Crevice Corrosion
  2. Radioactive isotopes affect workers/public by...
  3. Microbiologically Influenced Corrosion
  4. Pitting
  5. Cation Resin
  1. a Electrochemical attack on a small area of metal in a crack or crevice
  2. b Removes Na+ ions and replaced with H+
  3. c Localized electrochemical attack occurring in the vicinity of local irregularities that forms a local anodic area
  4. d Crevice forms underneath bacteria colony and a harsh chemical environment
  5. e Resin sluice activities, CRUD bursts, Fuel Failures, PWR primary to secondary tube leaks

5 Multiple choice questions

  1. Clogging fliters/pipes, fouling of heat exchagners, higher rad levels, accumulation of sludge in SG's, corrosion
  2. Corrodent attacks bulk material
  3. Temperature and Pressure
  4. steel containing chromium that makes it resistant to corrosion
  5. Reduction in power

5 True/False questions

  1. Zirconium based allows (zircalloys) are used in?steam generator tubing


  2. SolventMaterial being dissolved


  3. General CorrosionTwo dissimilar metals in electrical contact in a conductive environment


  4. What kind of water would we NOT see in open loop cooling?Demineralized water


  5. Fission productsRemoves Cl- ions and replaced with OH-