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  1. The heat of neutralisation remains constant, when there is a reaction between dilute solutions of strong
  2. One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C).…
  3. The mechanism involved in the removal of metal in drilling operation is by
  4. Corona discharge is related to the operation of a/an
  5. __________ rubber is generally used for making 'O' rings used for vacuum sealings.
  6. Shrinkage allowance on pattern is provided to compensate for shrinkage when the
  7. Thermal efficiency of an internal combustion engine is around __________ percent.
  8. Which of the following materials has the least scrap value?
  9. Function of gear box is to
  10. The most important consideration in value engineering is the
  11. Normalising of a casting does not
  12. Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.
  13. Increasing sulphur content in pig iron tends to make it
  14. Rain drops falling through atmospheric air attain limited terminal velocity, because of
  15. Which of the following is the most wear resistant grade of carbide used for the cutting tools?
  16. Lead is poured into the joint between two- __________ pipes.
  17. __________ are normally subjected to sub-zero treatment.
  18. Which of the following is not categorised as the ore agglomeration process?
  19. __________ is the hardest oxide and is hence used where high wear resistance at high temperature is…
  20. Pick out the wrong statement about nucleate boiling.
  21. Cold chisel & hammers are made of
  22. Silicon in steel
  23. Evaporative cooling process employs a combination of cooling and humidification in which the
  24. Increasing the carbon content of steel
  25. Steel & cast iron pipes are produced by __________ casting.
  26. During sensible heating of humid air
  27. Which of the following mainly decides the current to be employed is arc welding?
  28. The swift cup test evaluates the following property of a sheet metal.
  29. Dies for wire drawing are generally made of
  30. High speed steel tools retain their hardness upto a temperature of __________ °C.