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Chemical Engineering :: Chemical Engineering Basics-2

  1. Which of the following is an ore dressing operation?

  2. A.

     Classification

    B.

     Smelting

    C.

     Roasting

    D.

     None of these

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  3. Maximum consumption of limestone is in the __________ industry.

  4. A.

     Iron and steel

    B.

     Cement

    C.

     Glass

    D.

     Fertiliser

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  5. Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.

  6. A.

     Spigot and socket

    B.

     Flanged iron

    C.

     Collar

    D.

     Expansion

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  7. Which of the following is not a cupro-nick-el alloy?

  8. A.

     German silver

    B.

     Monel metal

    C.

     Muntz metal

    D.

     None of these

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  9. Which of the following is not a dielectric material?

  10. A.

     Cotton, silk and paper

    B.

     Asbestos, glass, porcelain and mica

    C.

     Rubber and polymeric resins

    D.

     All of the above

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  11. Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process?

  12. A.

     Galvanising

    B.

     Tinning

    C.

     Sheardising

    D.

     None of these

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  13. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

  14. A.

     Piercing

    B.

     Spinning

    C.

     Drawing

    D.

     Extrusion

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  15. It is possible to form martensite

  16. A.

     Sometimes by cold working

    B.

     Sometimes without nucleation

    C.

     Sometimes by gas quenching

    D.

     Only in iron based alloys

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  17. Which of the following is the most elastic material?

  18. A.

     Plastic

    B.

     Glass

    C.

     Steel

    D.

     Rubber

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  19. What is the pH of distilled water?

  20. A.

     0

    B.

     1

    C.

     7

    D.

     14

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