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Chemical Engineering :: Materials and Construction

  1. Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of

  2. A.
    aluminium
    B.
    stainles steel
    C.
    high silicon (14%) iron
    D.
    copper

  3. Gas holder of a gobar (cowdung) gas plant is made of

  4. A.
    molybdenum stainless steel
    B.
    tin
    C.
    mild steel
    D.
    aluminium

  5. A material capable of undergoing large permanent deformation, when subjected to tension is termed as

  6. A.
    friable
    B.
    ductile
    C.
    brittle
    D.
    none of these

  7. Bell metal is an alloy of

  8. A.
    copper & zinc
    B.
    copper & tin
    C.
    copper & nickel
    D.
    zinc & tin

  9. Mercury is transported in metal containers made of

  10. A.
    aluminium
    B.
    iron
    C.
    lead
    D.
    nickel

  11. Lead pipe is

  12. A.
    especially resistant to solutions containing H2SO4.
    B.
    usually joined by burning (e.g. by melting to adjacent pieces with a torch).
    C.
    having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain.
    D.
    all (a), (b) and (c).

  13. Inconel is an alloy of

  14. A.
    tin, zinc and nickel
    B.
    iron, nickel and chromium
    C.
    copper and nickel
    D.
    copper and tin

  15. A measure of toughness of a material is its

  16. A.
    percentage elongation
    B.
    yield strength
    C.
    ultimate strength
    D.
    area under stress-strain diagram

  17. Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of

  18. A.
    cast iron
    B.
    stainless steel or glass lined vessel
    C.
    karbate
    D.
    wrought iron

  19. Cast iron is having very high

  20. A.
    proximity between its elastic limit and ultimate breaking strength.
    B.
    ductility.
    C.
    tensile strength.
    D.
    all (a), (b) and (c).