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  1. The difference between gross & net calorific values of fuel is due to the
  2. In case of simple harmonic motion, displacement is proportional to the
  3. __________ test is the appropriate test to determine whether a material is ductile or brittle.
  4. Adhesives
  5. Ammonia gas can be dried by
  6. The following type of bonding is strongly directional in solids.
  7. Hot working of lead is carried out at
  8. __________ is the hardest material out of the following.
  9. Increase in temperature, in general results in the
  10. A jet engine turbine blade is normally manufactured by
  11. __________ furnace is generally used in the non-ferrous foundries.
  12. In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are…
  13. Joining of thin foils is preferred to be done by
  14. __________ has the highest melting point out of the following.
  15. For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
  16. Gratings is associated with the measurement of
  17. Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?
  18. In __________ process, there is an increase in entropy with no degradation of energy.
  19. Copper deposits are found in India at the following location:
  20. Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.
  21. A steam carrying pipeline is insulated with two layers of insulating materials with the inferior insulation…
  22. __________ is not used as a material of construction in thermocouples.
  23. Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
  24. Which of the following rays has the least wavelength?
  25. Dry saturated steam can be converted into superheated steam by
  26. Ultimate strength in tension as compared to that in shear for steel is
  27. Brinell Hardness Number (BHN) for talc is approximately in the range of
  28. Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same…
  29. Fog is an example of colloidal system of
  30. A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle…