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  • Question
  • Based on its dry weight, a freshly felled tree may contain water


  • Options
  • A. 25%
  • B. 50%
  • C. 75%
  • D. 100%.

  • Correct Answer
  • 100%. 


  • Building Materials problems


    Search Results


    • 1. The tendency of a stone is, to split along:

    • Options
    • A. texture
    • B. fracture
    • C. cleavage
    • D. structure
    • E. all the above.
    • Discuss
    • 2. Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

    • Options
    • A. 5 kg/mm2
    • B. 9 kg/mm2
    • C. 13 kg/mm2
    • D. 15 kg/mm2
    • E. 10 kg/mm2.
    • Discuss
    • 3. Lacquer is

    • Options
    • A. oil paint
    • B. distemper
    • C. spirit varnish
    • D. none to these.
    • Discuss
    • 4. Cast iron contains carbon approximately

    • Options
    • A. 1.5% to 5.5%
    • B. 0.05% to 1.75%
    • C. 0.250%
    • D. none to these.
    • Discuss
    • 5. Plastic asphalt is

    • Options
    • A. used as a water proofing layer over roof
    • B. a mixture of cement and asphalt
    • C. a natural asphalt
    • D. a refinery product.
    • Discuss
    • 6. Good quality cement contains higher percentage of

    • Options
    • A. Tricalcium silicate
    • B. Di-calcium silicate
    • C. Tri-calcium aluminate
    • D. Tetra calcium alumino ferrite
    • E. all the above.
    • Discuss
    • 7. The softest rock is

    • Options
    • A. marble
    • B. diamond
    • C. talc
    • D. quartz.
    • Discuss
    • 8. Laterite is a/an

    • Options
    • A. volcanic rock
    • B. argillaceous rock
    • C. calcareous rock
    • D. silicious rock.
    • Discuss
    • 9. For lime concrete,

    • Options
    • A. slump is 50 to 75 mm
    • B. flexural strength at 90 days is 0.2 N/mm2
    • C. compressive strength at 90 days is 1.5 N/mm2
    • D. compressive strength at 26 days is 1.2 N/mm2
    • E. all the above.
    • Discuss
    • 10. The most commonly used synthetic abrasive is

    • Options
    • A. aluminium carbide
    • B. boric acid
    • C. silicon
    • D. All of these.
    • Discuss


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