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  1. The best lubricants for a machine working at high temperature & load is
  2. The same volume of all gases is representative of their
  3. Nickel is a __________ material.
  4. In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean…
  5. Identify the false statement
  6. Which of the following has the least value of ultimate tensile strength (UTS)?
  7. Drossing is a __________ operation.
  8. The condition of diffraction from a crystal is given by
  9. The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
  10. Which of the following metals reacts violently with water?
  11. Annealing of cast iron
  12. The co-ordination number in simple cubic structure is
  13. Dislocation cross-slip is difficult in those materials, which have
  14. Which of the following is not a charge material for cupola?
  15. Tempering of a material does not improve its
  16. Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent…
  17. Starting friction is low in case of the __________ lubrication.
  18. While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen…
  19. The atmospheric temperature during melting of ice/snow (in the atmosphere)
  20. Fibre reinforced plastic (FRP) are
  21. Encyclopaedia of Chemical Technology has been
  22. Solute atoms which cause yield point phenomenon in mild steel are/is
  23. Which of the following properties of a solid is not dependent on crystal imperfection?
  24. Yield strength of a polycrystalline metal with an average grain size d, is proportional to
  25. The 'laughing gas' is
  26. __________ is not a case hardening process.
  27. Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement.…
  28. __________ the exhaust gas is an indication of the incomplete combustion of fuel.
  29. The thermodynamic law, = constant, is not followed by the
  30. The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is