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Chemical Engineering :: Chemical Engineering Basics-2

  1. A pipeline buried in soil is commonly protected from corrosion by

  2. A.

     Anodic protection

    B.

     Cathodic protection

    C.

     Using inhibitors

    D.

     Using a special alloy resistant to corrosion

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  3. Which of the following is not the commercial name of polymethyl-methacrylate (PMMA)?

  4. A.

     Styrofoam

    B.

     Lucite

    C.

     Perspex

    D.

     Plexiglass

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  5. The routing function in a production system design is concerned with the

  6. A.

     Material flow optimisation through the plant

    B.

     Machine utilisation

    C.

     Quality control of the product

    D.

     Manpower utilisation

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  7. What is the percentage of chromium in 18-4-1 high speed steel?

  8. A.

     1

    B.

     4

    C.

     18

    D.

     23

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  9. Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven?

  10. A.

     Collar joint

    B.

     Flexible joint

    C.

     Flanged joint

    D.

     Expansion joint

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  11. In an eutectic system, two elements are completely

  12. A.

     Soluble in solid state

    B.

     Insoluble in liquid state

    C.

     Insoluble in both solid & liquid state

    D.

     Soluble in liquid state

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  13. Unbreakable crockeries are made from __________ polymers.

  14. A.

     Polystyrene

    B.

     Melamine

    C.

     Polystyrene

    D.

     Polyurathane

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  15. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

  16. A.

     Hot rolled mild

    B.

     Cold rolled mild

    C.

     Forged

    D.

     Machinable stainless

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  17. An engineer's hammer is made of high __________ steel.

  18. A.

     Carbon

    B.

     Speed

    C.

     Silicon

    D.

     Chromium

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  19. Magnesium is present in

  20. A.

     Haemoglobin

    B.

     Chlorophyll

    C.

     Hypo solution

    D.

     None of these

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