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__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

A. Veneering

B. Galvanising

C. Electroplating

D. Calorising

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

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  1. Desalination of water
  2. Optical activity is a/an __________ property.
  3. Energy of the sun arises mainly from __________ reactions.
  4. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient…
  5. Oxyacetylene reducing flame is used while carrying out welding on
  6. Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the…
  7. A jet engine turbine blade is normally manufactured by
  8. What is the range of tempering temperature (°C) for most of the materials?
  9. Blow off cock is provided in steam boiler to
  10. The trace metal present in insulin is
  11. For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
  12. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
  13. A material being tested for endurance strength is subjected to the __________ load.
  14. The substance used as a smoke screen in warfare is
  15. Tin based white metals are used, where bearings are subjected to
  16. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________…
  17. __________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.
  18. Most important property of steels for use in automobile bodies is the
  19. Cassiterite is an ore of
  20. Pick out the wrong statement.
  21. The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.
  22. Colour comparator is used to measure the
  23. Hydro-cyclone is a
  24. Pick out the wrong statement.
  25. Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by
  26. Oxyacetylene reducing flame is used while carrying out welding on
  27. Frother is added in the froth floatation cell used in ore beneficiation to stabilise the air bubbles…
  28. __________ has the highest melting point out of the following.
  29. A material subjected __________ must have high resilience.
  30. Pick out the wrong statement.