Corrosion Quiz Question with Answer

11. Which of following metals could provide cathodic protection to Fe?

  1. Al & Cu
  2. Al & Zn
  3. Zn & Cu
  4. Al & Ni

12. Which of the following gases accelerates rusting of iron?

  1. CO2
  2. SO2
  3. NO2
  4. All of above

13. Which of the following metal does not resists the corrosion process?

  1. Ni
  2. Cu
  3. Pb
  4. Fe

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