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Chemical Engineering :: Chemical Process

  1. At a given temperature, the equilibrium yield of SO₃ obtained from the oxidation of SO₂ is proportional to (where, P = pressure of the system )

  2. A.

     P

    B.

     √P

    C.

     P²

    D.

     1/P


  3. Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

  4. A.

     L.D. converter

    B.

     Blast furnace

    C.

     Rotary kiln

    D.

     Recuperator


  5. Poly Vinyl Chloride (P.V.C.) is a __________ material.

  6. A.

     Thermosetting

    B.

     Thermoplastic

    C.

     Fibrous

    D.

     Chemically active


  7. Titanium dioxide is a/an __________ colour pigment.

  8. A.

     White

    B.

     Black

    C.

     Yellow

    D.

     Blue


  9. __________ is a thermosetting plastic.

  10. A.

     Polyvinyl chloride

    B.

     Polythene

    C.

     Bakelite

    D.

     Teflon


  11. __________ is a thermosetting plastic.

  12. A.

     Polythene

    B.

     Epoxy polymer

    C.

     P.V.C.

    D.

     Polystyrene


  13. Commercial production of Vanaspati is done by __________ of edible vegetable oils.

  14. A.

     Hydrogenation

    B.

     Oxidation

    C.

     Hydrolysis

    D.

     Hydrocracking


  15. Calcination of limestone is not done in a __________ kiln for producing lime.

  16. A.

     Vertical shaft

    B.

     Rotary

    C.

     Fluidised bed

    D.

     Fixed bed


  17. Free alkali in a toilet soap is __________ that in a laundary shop.

  18. A.

     Less than

    B.

     More than

    C.

     Same

    D.

     None of these


  19. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

  20. A.

     CaO

    B.

     MnO₂

    C.

     ZnO

    D.

     FeS