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  • Question
  • The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability?


  • Options
  • A. Lead
  • B. Copper
  • C. Aluminium
  • D. Wrought iron

  • Correct Answer
  • Lead 


  • Materials and Construction problems


    Search Results


    • 1. Caustic soda is produced in a mercury cell having anode and cathode made respectively of moving mercury and

    • Options
    • A. moving mercury and graphite.
    • B. graphite and moving mercury.
    • C. moving mercury and carbon.
    • D. moving mercury and crimped steel wire.
    • Discuss
    • 2. Cermets are __________ materials.

    • Options
    • A. refractory
    • B. reinforced
    • C. abrasive
    • D. fully metallic
    • Discuss
    • 3. Which of the following crystal structures characterises the austenitic stainless steel?

    • Options
    • A. Simple hexagonal
    • B. Body centred cubic
    • C. Face centred cubic
    • D. None of these
    • Discuss
    • 4. Refined acetic acid storage vessel are made of

    • Options
    • A. copper
    • B. aluminium
    • C. high carbon steel
    • D. nickel
    • Discuss
    • 5. Cementite is

    • Options
    • A. Fe3C chemically.
    • B. a compound of carbon and iron.
    • C. characterised by an orthorhombic crystal structure.
    • D. all (a), (b) and (c).
    • Discuss
    • 6. Percentage elongation of a material is a measure of its

    • Options
    • A. ductility
    • B. brittleness
    • C. toughness
    • D. malleability
    • Discuss
    • 7. Hammers and railway rails are normally made of

    • Options
    • A. mild steel
    • B. dead mild steel
    • C. medium carbon steel
    • D. high carbon steel
    • Discuss
    • 8. The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon.

    • Options
    • A. 0.2
    • B. 2
    • C. 4
    • D. 8
    • Discuss
    • 9. Zinc is not used

    • Options
    • A. for producing zinc base die casting alloys.
    • B. in its oxide form as pigments.
    • C. as anode for corrosion prevention in boiler.
    • D. as an alloying element in various bronzes.
    • Discuss
    • 10. Coke oven regenerators are made of __________ bricks.

    • Options
    • A. fire clay
    • B. silica
    • C. low thermal conductivity
    • D. high electrical conductivity
    • Discuss


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