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Chemical Engineering :: Materials and Construction

  1. __________ is used for determining the tensile strength of steels.

  2. A.
    Hydraulic press
    B.
    Universal testing machine
    C.
    Mechanical press
    D.
    none of these

  3. Mild steel storage vessels are suitable for the storage of

  4. A.
    anhydrous ammonia
    B.
    fatty acids
    C.
    hydrochloric acid (95%)
    D.
    sulphuric acid (25%)

  5. Mild steel is a/an __________ steel.

  6. A.
    low carbon
    B.
    medium carbon
    C.
    high carbon
    D.
    high alloy

  7. Hardened steel is softened by

  8. A.
    normalising
    B.
    tempering
    C.
    annealing
    D.
    carburising

  9. Which of the following is not shipped in mild steel containers ?

  10. A.
    Acetone
    B.
    Ammonia
    C.
    Ethyl alcohol
    D.
    Formic acid

  11. Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its

  12. A.
    corrosion resistance
    B.
    tensile strength
    C.
    machinability
    D.
    compressive strength

  13. Maximum consumption of copper is in

  14. A.
    utensil manufacture.
    B.
    electrical industry.
    C.
    industrial equipment manufacture.
    D.
    small scale industries.

  15. Maximum carbon content in cast iron is __________ percent.

  16. A.
    3.8
    B.
    5.2
    C.
    4.8
    D.
    4.3

  17. Manganese in steel affects its

  18. A.
    ductility
    B.
    tensile strength
    C.
    hardness
    D.
    none of these

  19. Lead lined equipments & vessels are suitable for handling

  20. A.
    hydrochloric acid (10%).
    B.
    nitric acid.
    C.
    sulphuric acid upto 60°C.
    D.
    all (a), (b) and (c).