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Chemical Engineering :: Chemical Process

  1. In the manufacture of viscose rayon, the raw material used industrially is

  2. A.
    recalyptious wood
    B.
    bamboo
    C.
    bagasse
    D.
    fine teak wood

  3. Bordeaux mixture is a/an

  4. A.
    fertiliser
    B.
    inorganic fungicide
    C.
    insecticide
    D.
    explosive

  5. Silicone is a/an

  6. A.
    thermoplastic
    B.
    inorganic polymer
    C.
    monomer
    D.
    none of these

  7. Nickel is not used as a catalyst in the __________ reaction.

  8. A.
    shift conversion
    B.
    oil hydrogenation
    C.
    steaming reforming of naphtha
    D.
    ammonia cracking/dissociation

  9. Roasting of metallurgical ores is done mainly to

  10. A.
    dehydrate it.
    B.
    sinter the ore.
    C.
    remove CO2 & H2O.
    D.
    remove arsenic & sulphur.

  11. Molasses is the starting material for the production of

  12. A.
    alcohol
    B.
    essential oil
    C.
    fatty acids
    D.
    massecuite

  13. BHC (Benzene hexachloride) is made by the chlorination of benzene

  14. A.
    which is an addition reaction.
    B.
    which is a substitution reaction.
    C.
    in absolute dark.
    D.
    in presence of sunlight.

  15. Diaphragm electrolytic cell as compared to mercury electrolytic cell

  16. A.
    produces 70% NaOH solution.
    B.
    requires less specific power consumption for the production of chlorine.
    C.
    requires lesser investment for similar capacity.
    D.
    all (a), (b) and (c).

  17. Calcareous & argillaceous materials are used in the manufacture of

  18. A.
    lead
    B.
    cement
    C.
    carbon disulphide
    D.
    none of these

  19. Pick out the wrong statement.

  20. A.
    Azoic dyes are mostly applied on cotton fabrics.
    B.
    Basic dyes (e.g. amino derivatives) are applied mostly to paper.
    C.
    Mordant dyes are applied mainly to wools.
    D.
    none of these.