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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

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  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

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

  6. A.

     Thermosetting

    B.

     Thermoplastic

    C.

     Fibrous

    D.

     Chemically active

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

  8. A.

     White

    B.

     Black

    C.

     Yellow

    D.

     Blue

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  9. __________ is a thermosetting plastic.

  10. A.

     Polyvinyl chloride

    B.

     Polythene

    C.

     Bakelite

    D.

     Teflon

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  11. __________ is a thermosetting plastic.

  12. A.

     Polythene

    B.

     Epoxy polymer

    C.

     P.V.C.

    D.

     Polystyrene

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

  14. A.

     Hydrogenation

    B.

     Oxidation

    C.

     Hydrolysis

    D.

     Hydrocracking

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  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

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  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

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  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

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