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Chemical Engineering :: Materials and Construction

  1. An ideal material of construction for the storage of 50% caustic soda solution would be

  2. A.
    karbate
    B.
    high silicon cast iron
    C.
    monel
    D.
    none of these

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  3. Which of the following is the hardest ?

  4. A.
    Cementite
    B.
    Pearlite
    C.
    Austenite
    D.
    Ferrite

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  5. Which of the following alloy steels is the most suitable for making gun barrels and projectiles ?

  6. A.
    Tungsten steel
    B.
    Molybdenum steel
    C.
    Nickel-chrome steel
    D.
    Cobalt steel

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  7. The process of heating the cold pressed metallic powder is called __________ in powder metallurgy.

  8. A.
    precipitation
    B.
    fusion
    C.
    sintering
    D.
    agglomeration

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  9. Sulphuric acid pickling tanks are lined with

  10. A.
    nickel
    B.
    rubber
    C.
    aluminium
    D.
    glass

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  11. Valves in pipe size of 2" and under are normally made of

  12. A.
    wrought iron
    B.
    brass
    C.
    bronze
    D.
    monel

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  13. Ceramic materials are

  14. A.
    organic in nature.
    B.
    stronger in compression than in tension
    C.
    always amorphous in nature.
    D.
    always bad heat conductors.

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  15. Which is an amorphous material ?

  16. A.
    Glass
    B.
    Mica
    C.
    Brass
    D.
    Cast iron

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  17. In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of

  18. A.
    stainless steel
    B.
    cast iron
    C.
    lead lined steel
    D.
    rubber lined steel

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  19. Platinum and silver are corroded by

  20. A.
    caustic soda solution
    B.
    phosphoric acid
    C.
    sulphuric acid (10%)
    D.
    none of these

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