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  • Question
  • Strength of cement concrete primarily depends upon


  • Options
  • A. quality of water
  • B. quantity of aggregate
  • C. quantity of cement
  • D. water-cement ratio.

  • Correct Answer
  • water-cement ratio. 


  • Building Materials problems


    Search Results


    • 1. Bitumen emulsion is

    • Options
    • A. a liquid containing bitumen in suspension
    • B. a paint
    • C. used as anti-corrosive paint
    • D. all the above.
    • Discuss
    • 2. Based on flow quality, the sequence of pipes is

    • Options
    • A. A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
    • B. C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
    • C. C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
    • D. None of these.
    • Discuss
    • 3. Pick up the correct statement from the following:

    • Options
    • A. The baked earth is called terra-cotta
    • B. The articles prepared from clay which is burnt at low temperature and cooled down slowly, are called earthen-ware
    • C. The articles prepared from refractory clays which as mixed with stone and crushed pottery, are called stone ware
    • D. The articles prepared from fine earthen ware which is white, thin and semi-transparent, are called procelain
    • E. All the above.
    • Discuss
    • 4. Plywood is obtained by gluing wooden sheets at

    • Options
    • A. 100 to 150 N/cm2
    • B. 100 to 130°C
    • C. both (a) and (b)
    • D. Neither (a) nor (b).
    • Discuss
    • 5. The initial setting time of hydraulic lime, is

    • Options
    • A. 30 minutes
    • B. 60 minutes
    • C. 90 minutes
    • D. 120 minutes
    • E. 150 minutes.
    • Discuss
    • 6. Pick up the correct statement from the following:

    • Options
    • A. The heating of a material to redness in contact with air, is known as calcination
    • B. The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
    • C. The product that remains after calcination of limestone, is called lime
    • D. All the above.
    • Discuss
    • 7. Lime stone is not a

    • Options
    • A. sedimentary rock
    • B. stratified rock
    • C. aqueous rock
    • D. metamorphic rock.
    • Discuss
    • 8. In order of increasing percentage of silica, the correct sequence is

    • Options
    • A. sandy clay, calcareous clay, pure clay
    • B. calcareous clay, pure clay, sandy clay
    • C. pure clay, sandy clay, calcareous clay
    • D. None of these.
    • Discuss
    • 9. A piece of timber whose thickness and width are respectively 5 cm and 10 cm is called

    • Options
    • A. slate
    • B. plank
    • C. board
    • D. strip.
    • Discuss
    • 10. Pick up the volcanic rock from the following:

    • Options
    • A. Granite
    • B. Dolerite
    • C. Basalt
    • D. All the above.
    • Discuss


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