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Chemical Engineering :: Materials and Construction

  1. Which of the following is not used as the ceramic material in 'cermets' ?

  2. A.
    Silicides
    B.
    Oxides
    C.
    Carbides
    D.
    Nitrides

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  3. Glass lined vessels are not used for handling/storing

  4. A.
    dilute H2SO4
    B.
    dilute HNO3
    C.
    dilute HCl
    D.
    hydroflouric acid

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  5. For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is

  6. A.
    stainless steel
    B.
    cast iron
    C.
    aluminium
    D.
    nickel

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  7. Cast iron has

  8. A.
    high ductility.
    B.
    high malleability.
    C.
    very high tensile strength.
    D.
    its elastic limit very close to ultimate breaking strength.

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  9. Which of the following is not an alloy of tin?

  10. A.
    White-bearing metal
    B.
    Pewter type metal
    C.
    Soft solder
    D.
    German silver

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  11. Which of the following is the easiest to bend?

  12. A.
    Steel
    B.
    Stainless steel
    C.
    Cast iron
    D.
    Wrought iron

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  13. Common house hold glass (i.e., soda-lime glass) is a/an __________ material.

  14. A.
    fully crystalline
    B.
    partly crystalline
    C.
    amorphous
    D.
    none of these

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  15. In the kraft (sulphate) process for the paper manufacture, the digestor is made of

  16. A.
    cast iron
    B.
    stainless steel
    C.
    karbate carbon
    D.
    wrought iron

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  17. Cast iron and steel pipes are produced by __________ casting.

  18. A.
    die
    B.
    investment
    C.
    slush
    D.
    true centrifugal

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  19. Cold worked steel parts are normally subjected to

  20. A.
    normalising
    B.
    hardening
    C.
    annealing
    D.
    shot peening

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