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Chemical Engineering :: Fertiliser Technology

  1. Potassic fertilisers

  2. A.

     Are useful during early stage of the plant growth

    B.

     Stimulate early growth and accelerate seeding

    C.

     Help in development of starches of potatoes and grain

    D.

     None of these


  3. Monte catini process is a widely used process for the manufacture of

  4. A.

     Urea

    B.

     Calcium ammonium nitrate

    C.

     Triple superposphate

    D.

     None of these


  5. Low grade coal is __________ to produce ammonia synthesis gas.

  6. A.

     Hydrogenated

    B.

     Liquefied

    C.

     Gasified

    D.

     Dehydrogenated


  7. A nitrogenous fertiliser contains 20% N₂. It could be

  8. A.

     Ammonium nitrate

    B.

     Calcium ammonium nitrate (CAN)

    C.

     Urea

    D.

     Ammonium chloride


  9. A fertiliser contains 82% N₂. It could be

  10. A.

     Urea

    B.

     Liquid NH₃

    C.

     Ammonium nitrate

    D.

     None of these


  11. The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent.

  12. A.

     60

    B.

     30

    C.

     95

    D.

     100


  13. Naphtha in a fertiliser plant is used as a source of

  14. A.

     Fuel

    B.

     H₂

    C.

     N₂

    D.

     O₂


  15. Fertiliser produced during soda ash manufacture by dual process is ammonium

  16. A.

     Chloride

    B.

     Sulphate

    C.

     Nitrate

    D.

     None of these


  17. __________ is required more for leafy crops.

  18. A.

     Nitrogen

    B.

     Phosphorous

    C.

     Potassium

    D.

     Carbon


  19. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

  20. A.

     Fauser-Monte Catini

    B.

     Claude

    C.

     Udhe

    D.

     Kellog