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Chemical Engineering :: Chemical Process

  1. The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is

  2. A.
    alumina
    B.
    silica gel
    C.
    platinum
    D.
    nickel

  3. A good quality coal should have

  4. A.
    low fusion point of ash
    B.
    high ash content
    C.
    high sulphur content
    D.
    none of these

  5. Zeolite used in water softening process (cation exchange) is regenerated by washing with

  6. A.
    brine
    B.
    chloramines
    C.
    sodium bisulphite
    D.
    liquid chlorines

  7. The catalyst used in shift converter is

  8. A.
    nickel
    B.
    vanadium
    C.
    silica gel
    D.
    alumina

  9. Which of the following is a detergent ?

  10. A.
    Benzene hexachloride
    B.
    Alkyl benzene sulphonate
    C.
    Polytetraflouroethylene
    D.
    Cellulose nitrate

  11. Drinking (potable) water treatment does not involve

  12. A.
    coagulation
    B.
    sedimentation
    C.
    softening
    D.
    disinfection

  13. Phenol formaldehyde resin is used as an adhesive in making

  14. A.
    laminates
    B.
    card boxes
    C.
    furniture
    D.
    books

  15. Pick out the correct statement.

  16. A.
    A fat is converted into oil by its hydrogenation.
    B.
    There is no difference between a fat and an oil so far as its physical properties are concerned.
    C.
    All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms.
    D.
    Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content.

  17. DDT should not be allowed to come in contact with iron (during its manufacture) to

  18. A.
    avoid its decomposition.
    B.
    prevent sulphonation of the monochlorobenzene by the acid catalyst.
    C.
    achieve non-hygroscopic property.
    D.
    none of these.

  19. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

  20. A.
    V2O5 & Cr2O3.
    B.
    oxides of nitrogen & Cr2O3.
    C.
    V2O5 on a porous carrier & oxides of nitrogen.
    D.
    oxides of nitrogen & V2O5 on a porous carrier.