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5 Written questions

5 Matching questions

  1. Radioactive isotopes affect workers/public by...
  2. Action Level 3
  3. Periodic Table - Period
  4. Redux and Corrosion
  5. Cobalt based alloys (Stellites) are used in?
  1. a valve seats
  2. b Metal is oxidized and other substance is reduced
  3. c Resin sluice activities, CRUD bursts, Fuel Failures, PWR primary to secondary tube leaks
  4. d Horizontal Column
  5. e Shutdown

5 Multiple choice questions

  1. Hydrogen, Hydrazine
  2. Occurs when the grain boundary is more susceptible
  3. Corrodent attacks bulk material
  4. Reduction in power
  5. + temp, + D.O., -pH, +Flow, Shocks and stresses

5 True/False questions

  1. H20 Breaks down into...Hydronium and hydroxide

          

  2. Stainless steelMaterial being dissolved

          

  3. Problems from impuritiesClogging fliters/pipes, fouling of heat exchagners, higher rad levels, accumulation of sludge in SG's, corrosion

          

  4. Cladding defectsatoms pass through imperfect welds, minute cracks, larger holes

          

  5. Sources of impuritiesMakeup water sources, leaks between systems, FME, Sweat