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Chemical Engineering :: Fertiliser Technology

  1. I argest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at

  2. A.
    Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).
    B.
    Talchar (Orissa) and Ramagundam (A.P.) both under FCI.
    C.
    Korba (M.P.) and Talchar (Orissa) both under FCI.
    D.
    Haldia (W.B) and Namrup (Assam) both under HFC.

  3. Nitrogen content of urea is about __________ percent.

  4. A.
    10
    B.
    46
    C.
    80
    D.
    94

  5. Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent.

  6. A.
    10
    B.
    25
    C.
    50
    D.
    80

  7. Catalyst used in ammonia synthesis uses __________ as a promoter.

  8. A.
    Pt
    B.
    K2O
    C.
    Al2O3
    D.
    Ni

  9. __________ is the most suitable fertiliser for paddy.

  10. A.
    Urea
    B.
    Ammonium sulphate
    C.
    Superphosphate
    D.
    Potassium nitrate

  11. NPK fertiliser is a __________ fertiliser.

  12. A.
    complex
    B.
    mixed
    C.
    nitrogenous
    D.
    phosphatic

  13. Reaction of calcium fluorapatite with sulphuric acid produces

  14. A.
    ortho-phosphoric acid.
    B.
    simple superphosphate.
    C.
    triple superphosphate.
    D.
    red phosphorous.

  15. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?

  16. A.
    Water
    B.
    Naphtha
    C.
    Tar
    D.
    Coal/coke oven gas

  17. Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

  18. A.
    N2
    B.
    KNO3
    C.
    NO2
    D.
    NHO3

  19. Triple superphosphate is made by reacting phosphate rock with __________ acid.

  20. A.
    phosphoric
    B.
    nitric
    C.
    sulphuric
    D.
    hydrochloric