Home

Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is

A. Alumina

B. Platinum

C. Vanadium pentoxide

D. Iron oxide

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is…
  2. Larger length & diameter water pipes are made by
  3. The type of pump used for lifting large quantity of sewage is a __________ pump.
  4. Heat release during phase change is observed in case of a/an
  5. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order…
  6. As the fluid flow rate increases, the float of the Rotameter
  7. The malleability of a material is the property by virtue of which it can be rolled or hammered into…
  8. __________ furnace is generally used in the non-ferrous foundries.
  9. Calorific value of __________ are almost same.
  10. Fire refining process is employed in case of
  11. Induced draft fans provided in large thermal power plant boilers have __________ blades.
  12. The stress at which extension of the material takes place more rapidly as compared to the increase in…
  13. at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of…
  14. Limestone addition in the blast furnace is done to flux __________ present in the raw materials.
  15. Pick out the wrong statement.
  16. In case of compression of one kg of air, the work done will be the least, when the value of polytropic…
  17. Rankine cycle comprises of two isothermal and two __________ processes.
  18. Which of the following is the correct nature of shear stress distribution along the cross section in…
  19. A pycnometer is used for the measurement of
  20. Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C,…
  21. __________ property of steel increases by addition of large amount of silicon in it.
  22. Most of the phosphorous present in the blast furnace burden enters into
  23. Mild steel has __________ crystal lattice structure.
  24. Powder metallurgy is used to produce
  25. Dielectric
  26. The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature…
  27. Maximum consumption of limestone is in the __________ industry.
  28. Starting friction is low in case of the __________ lubrication.
  29. Brinell Hardness Number (BHN) for talc is approximately in the range of
  30. A fire tube boiler is limited to a maximum steam pressure of about __________ kg/cm2.