Pick out the wrong statement about coating/electroplating of metals.

A. Phosphate coating is used as an excellent base for paints & enamels

B. Phosphate coating is less corrosion resistant than chromate coating

C. The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode

D. Calorising is the process of coating steel with chromium

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

You can do it
  1. Recrystallisation temperature of steel is __________ °C.
  2. When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature…
  3. The product out from a cupola is called
  4. __________ remains constant during the adiabatic cooling of moist air.
  5. The mechanism involved in the removal of metal in drilling operation is by
  6. Galvanic corrosion cannot be prevented by
  7. High speed steel tools retain their hardness upto a temperature of __________ °C.
  8. __________ is a non volatile film forming constituent of a paint.
  9. Speed of a submarine in deep sea & that of an aeroplane is measured by a/an
  10. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure…
  11. The most serious manufacturing defect from fracture toughness point of view is
  12. __________ property of steel increases by addition of large amount of silicon in it.
  13. The condition of diffraction from a crystal is given by
  14. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following…
  15. Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented…
  16. In condensers used in thermal power plants, steam is normally used in shell side and cooling water on…
  17. Sudden fall of atmospheric pressure by a large amount is an indication of the
  18. Globular form of cementite is formed during the __________ process.
  19. Working of linear variable differential transducer (LVDT) is based on the principle of variable
  20. Pick out the wrong statement.
  21. Hydro-cyclone is a
  22. Which of the following has the least value of ultimate tensile strength (UTS)?
  23. Which of the following properties of a solid is not dependent on crystal imperfection?
  24. Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while…
  25. The material used for coating the welding electrode is termed as the
  26. __________ number determines whether the fluid flow in an open channel is supercritical, critical or…
  27. With increase in annealing temperature, the following defect density decreases.
  28. Which of the following is the most suitable material of construction for the condenser tubes, where…
  29. Faraday's law of electrolysis is related to the
  30. The burnout heat flux in the nucleate boiling regime is not a function of the