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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

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

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

  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

  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.

  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

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

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

  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

  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

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

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

  19. Cold worked steel parts are normally subjected to

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