The units of the rate constant for a second order reaction are





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  1. Otto cycle used in spark ignition petrol engines is also known as the constant __________ cycle.
  2. Holes for riveting purposes should be preferably made by
  3. The rolling process cannot be used to produce
  4. Ganister contains maximum percentage of
  5. In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres…
  6. Fog is an example of colloidal system of
  7. Pick out the wrong statement.
  8. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
  9. Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal &…
  10. Wrought iron is not
  11. Recrystallisation temperature of steel is __________ °C.
  12. Dew point temperature always gives an indication of the __________ of the moist air.
  13. An ideal material for making cooking vessels should have
  14. An atom bomb works on the principle of
  15. A common disinfectant used in village wells for disinfection of water is
  16. The mechanism involved in the removal of metal in drilling operation is by
  17. Highest cutting speed is achieved by the __________ tool material.
  18. Pick out the wrong statement.
  19. Plasma is
  20. A material being tested for endurance strength is subjected to the __________ load.
  21. Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
  22. An example of unsteady non uniform flow is the flow of liquid under pressure through a
  23. Heat release during phase change is observed in case of a/an
  24. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.
  25. The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the…
  26. For a spontaneous natural process at constant temperature and pressure, the free energy of the system…
  27. Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.
  28. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts…
  29. Stainless steel is welded using
  30. Joining of thin foils is preferred to be done by