Home / Chemical Engineering / Materials and Construction :: Section 4

Chemical Engineering :: Materials and Construction

  1. The most resistant material to alkaline corrosion is

  2. A.
    duriron
    B.
    nickel
    C.
    aluminium
    D.
    karbate

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. Tin coating is not done by

  4. A.
    vaporising
    B.
    hot dipping
    C.
    electro deposition
    D.
    spraying

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Stainless steel is not corroded by

  6. A.
    hydrochloric acid (10%).
    B.
    nitric acid (10%).
    C.
    sulphuric acid (10%).
    D.
    saturated brine.

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. __________ is added in stainless steel to prevent inter crystal corrosion.

  8. A.
    Vanadium
    B.
    Niobium
    C.
    Chromium
    D.
    Nickel

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. Nickel is a __________ material.

  10. A.
    ferromagnetic
    B.
    diamagnetic
    C.
    paramagnetic
    D.
    none of these

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Babbit metal is not a

  12. A.
    tin base alloy
    B.
    white metal
    C.
    lead base alloy
    D.
    pure metal

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. Which of the following alloys does not contain nickel ?

  14. A.
    Chloro, et-2 alloy
    B.
    Monel
    C.
    Inconel
    D.
    Babbit metal

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. Which of the following is the lightest of engineering metals ?

  16. A.
    Magnesium
    B.
    Aluminium
    C.
    Titanium
    D.
    Tin

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Evaporators used in caustic soda recovery and production plant are made of

  18. A.
    monel metal
    B.
    gun metal
    C.
    wood metal
    D.
    babbit metal

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. With increase in carbide/graphite ratio in cast iron, its

  20. A.
    hardness & brittleness increases.
    B.
    ductility decreases.
    C.
    both (a) and (b).
    D.
    neither (a) nor (b).

    View Answer

    Workspace

    Discuss Discuss in Forum