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Chemical Engineering :: Chemical Process

  1. Fusion of limestone and __________ produces high alumina cement.

  2. A.
    sand
    B.
    bauxite
    C.
    quicklime
    D.
    calcite

  3. Massacuits is a terminology used in the __________ industry.

  4. A.
    paint
    B.
    oil hydrogenation
    C.
    soap
    D.
    sugar

  5. The basic constituent of vegetable oils is

  6. A.
    triglyceride
    B.
    fatty acids
    C.
    fatty alcohol
    D.
    mono esters

  7. The most economical pulp for the production of newsprint would be the __________ pulp.

  8. A.
    groundwood
    B.
    sulphate
    C.
    sulphite
    D.
    semichemical

  9. Which of the following is the second major component of cement ?

  10. A.
    Al2O3
    B.
    SiO2
    C.
    CaO
    D.
    Fe2O3

  11. Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it

  12. A.
    has larger production capacity per unit cell.
    B.
    consumes less power per ton of Cl2 produced.
    C.
    produces high purity (70%) caustic soda directly.
    D.
    all (a), (b) and (c).

  13. __________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

  14. A.
    Phosphates
    B.
    Chromates
    C.
    Sulphates
    D.
    Bi-carbonates

  15. L.D. converter is used in the production of

  16. A.
    pig iron
    B.
    steel
    C.
    copper
    D.
    zinc

  17. The terminology 'BTX' used in coal tar distillation industry refers to

  18. A.
    benzol-toluol-xylol.
    B.
    benzol-toluene-xylene.
    C.
    benzene-toluol-xylol.
    D.
    benzene-toluene-xylene.

  19. Which of the following is not responsible for causing permanent hardness of water ?

  20. A.
    Ca(HCO3)2
    B.
    CaCl2
    C.
    MgCl2
    D.
    none of these