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Chemical Engineering :: Chemical Process

  1. Fourdrinier machine is used in the manufacture of

  2. A.

     Sugar

    B.

     Paper

    C.

     Alcohol from molasses

    D.

     Phenol formaldehyde


  3. Bromine is used in the preparation of

  4. A.

     Fire extinguishing compounds

    B.

     Fire proofing agents

    C.

     Dyes and antiknock compounds

    D.

     All of the above


  5. Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about

  6. A.

     0.1 to 0.5

    B.

     1 to 5

    C.

     5 to 10

    D.

     15 to 25


  7. Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.

  8. A.

     Lead

    B.

     Borosilicate

    C.

     Soda lime

    D.

     Alkali silicate


  9. Which of the following processes does not produce Cl₂ as a co-product during the manufacture of caustic soda?

  10. A.

     Diaphragm electrolytic cell process

    B.

     Mercury electrolytic cell process

    C.

     Lime-soda process

    D.

     None of these


  11. __________ glass is used for the manufacture of optical glass.

  12. A.

     Pyrex

    B.

     Soda

    C.

     Flint

    D.

     Crooke's


  13. Caprolactum (a raw material for nylon-6 manufacture) is produced from

  14. A.

     Phenol

    B.

     Naphthalene

    C.

     Benzene

    D.

     Pyridine


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

  16. A.

     Recalyptious wood

    B.

     Bamboo

    C.

     Bagasse

    D.

     Fine teak wood


  17. Bromine content in sea water may be around __________ ppm.

  18. A.

     70

    B.

     640

    C.

     1875

    D.

     2500


  19. Nickel is not used as a catalyst in the

  20. A.

     Fischer-Tropsch process

    B.

     Shift conversion

    C.

     Hydrogenation of oil

    D.

     Ostwald's process of HNO₃ manufacture