Which of the following is an example of cathodic protection of metals against corrosion?

A. Painted steel

B. Galvanised iron

C. Case hardened steel

D. Lead lined reactor

Related Questions

  1. The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation…
  2. Softening of hardened steel is done by its
  3. Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.
  4. Lead is poured into the joint between two- __________ pipes.
  5. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is
  6. A solution which resists change in its pH value on addition of acid/alkali is called the __________…
  7. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
  8. The best guide to judge the general quality of water is the measurement of its
  9. Broaching tools are usually made of
  10. __________ cannot increase the fatigue strength of a material.
  11. Tin based white metals are used, where bearings are subjected to
  12. Which of the following metals is not subjected to electrolytic refining/purification?
  13. Good design of the casing of a centrifugal pump aims at minimising the
  14. Preheating before welding is done to
  15. Normalising does not __________ of a metal.
  16. A material in which the atoms are arranged regularly in some directions but not in others, is termed…
  17. Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial…
  18. Non-ferrous alloys used for making cutting tools need not have high
  19. __________ metal is used as a bearing liner material.
  20. Which of the following is resistant to the action of both heat & chemicals?
  21. Material of construction of the electrode used in the electric resistance welding is
  22. Multistage compression of air as compared to single stage compression offers the advantage of
  23. On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate…
  24. Fibre glass is a composite material of
  25. In case of water (Prandtl number ≈ 6) flowing over a flat plate heated over the entire length,…
  26. Joining of thin foils is preferred to be done by
  27. Which of the following approaches the ideal gas behaviour most closely?
  28. Increasing the carbon content of steel
  29. Which of the following forces does not act on a fluid at rest?
  30. The lightest non-inflammable gas is

Please do not use chat terms. Example: avoid using "grt" instead of "great".