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Chemical Engineering :: Chemical Process

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

  2. A.

     Thermosetting

    B.

     Thermoplastic

    C.

     Fibrous

    D.

     Chemically active


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

  4. A.

     White

    B.

     Black

    C.

     Yellow

    D.

     Blue


  5. __________ is a thermosetting plastic.

  6. A.

     Polyvinyl chloride

    B.

     Polythene

    C.

     Bakelite

    D.

     Teflon


  7. __________ is a thermosetting plastic.

  8. A.

     Polythene

    B.

     Epoxy polymer

    C.

     P.V.C.

    D.

     Polystyrene


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

  10. A.

     Hydrogenation

    B.

     Oxidation

    C.

     Hydrolysis

    D.

     Hydrocracking


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

  12. A.

     Vertical shaft

    B.

     Rotary

    C.

     Fluidised bed

    D.

     Fixed bed


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

  14. A.

     Less than

    B.

     More than

    C.

     Same

    D.

     None of these


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

  16. A.

     CaO

    B.

     MnO₂

    C.

     ZnO

    D.

     FeS


  17. Polythene is a/an __________ polymerisation product.

  18. A.

     Addition

    B.

     Condensation

    C.

     Thermosetting

    D.

     None of these


  19. Pick out the wrong statement.

  20. A.

     Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80%

    B.

     Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98%

    C.

     75% oleum can be produced by distillation of 20% oleum

    D.

     Contact process of sulphuric acid manufacture uses nickel as the catalyst