Electrochemical Engineering - Semester Exam Question

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7HD - Electrochemical Engineering - April 2000

Part A (20 x 2 = 40 Marks)

  1. Define ‘electromotive force’
  2. Briefly write about electrochemistry
  3. What is electrocapillary curve?
  4. What is Helmoltz layer?
  5. What is the function of supporting electrolyte in polarography?
  6. What is the concept of limiting current?
  7. Explain charge transfer over potential
  8. What is primary cell?
  9. Define the term ‘passivation’
  10. Mention few paint removers
  11. What is meant by sacrificial anode?
  12. Explain cathodic protection
  13. Write about primary batteries
  14. What are fuel cells?
  15. Mention few secondary cells
  16. What is throwing power?
  17. Explain electro polishing
  18. Mention the electrodes used in electrochemical industries
  19. What is anodising?
  20. Explain electro-refining

    21. Part B (5 x 12 = 60 Marks)

  21. (a) Explain the terms inner potential, outer potential and surface potential

    22. Or

    (b) Chemical and electrical energies are interchangeable. Explain this through the working of an accumulator

  22. (a) Describe the principles and working of a rotating disc electrode, with diagram

    23. Or

    (b) Discuss the secondary current distribution on parallel plate electrodes

  23. (a) What are inhibitors? Explain the mechanism of inhibitors in controlling corrosion

    24. Or

    (b) Discuss the corrosion prevention using protective coatings

  24. (a) Write briefly about Alkaline-Manganese cell

    25. Or

    (b) What is meant by high rate discharge in a battery system? How is it measured? Explain

  25. (a) Discuss about selective solar coatings.

    26. Or

    (b) Discuss the preparation and uses of Titanium substrate insoluble electrode.

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Last Modified on: 04-Feb-2022

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