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  1. For preparation of porous bearings by powder metallurgy, preferred particle shape is
  2. Pick out the wrong statement.
  3. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
  4. Identify the correct statement with reference to the extractive metallurgy of aluminium.
  5. Increasing the carbon content of steel
  6. At absolute zero temperature, for any reaction involving condensed phases
  7. Ganister contains maximum percentage of
  8. Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with…
  9. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
  10. Joule-Thomson co-efficient is the ratio of
  11. L.D. (Linz-Donawitz) converter is used in the production of
  12. In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external…
  13. Consider the equilibrium A(g) + B(g) = AB(g). When the partial pressure of A is 10-2 atm, the partial…
  14. Secondary hardening in steels arises out of the
  15. Which of the following is used to produce draught in the locomotive boilers?
  16. Which of the following is an unconventional source of energy?
  17. Steel & cast iron pipes are produced by __________ casting.
  18. Nickel is a __________ material.
  19. Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil,…
  20. Electrostatic separation of minerals from each other is based on their differences in the following…
  21. Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature…
  22. __________ are normally subjected to sub-zero treatment.
  23. Atomic __________ is a whole number for an element.
  24. Pick out the wrong statement about coating/electroplating of metals.
  25. Induced draft fans provided in large thermal power plant boilers have __________ blades.
  26. Which of the following is an example of cathodic protection of metals against corrosion?
  27. In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer…
  28. The substance used as a smoke screen in warfare is
  29. The following type of bonding is strongly directional in solids.
  30. Oxide layer formed on the non-ferrous metal surface after its annealing is