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  • Question

  • Specific weight of sea water is more than that of pure water because of


  • Options
  • A. dissolved air
  • B. dissolved salts
  • C. suspended matter
  • D. all the above.

  • Correct Answer
  • all the above. 

    • More questions

    • 1. Unit of kinematic viscosity is

    • Options
    • A. m2/sec
    • B. Newton sec/m2
    • C. Newton sec/m3
    • D. Kg sec/m2.
      • Discuss
    • 2. The degree of saturation of the soil sample stated in Q. No, 216, is

    • Options
    • A. 60%
    • B. 62%
    • C. 64%
    • D. 66%
      • Discuss
    • 3. Post tensioning system

    • Options
    • A. was widely used in earlier days
    • B. is not economical and hence not generally used
    • C. is economical for large spans and is adopted now a days
    • D. none of these.
      • Discuss
    • 4. Negative skin friction on piles

    • Options
    • A. is caused due to relative settlement of the soil
    • B. is caused in soft clays
    • C. decreases the pile capacity
    • D. all of the above.
      • Discuss
    • 5. The flow of water (mass density = 1000 kg/m3 and kinematic viscosity = 10-6 m2/s) in a commercial pipe, having equivalent roughness ks as 0.12 mm, yields an average shear stress at the pipe boundary = 600 N/m2. The value of ks/?' (?' being the thickness of laminar sub-layer) for this pipe is

    • Options
    • A. 0.25
    • B. 0.50
    • C. 6.0
    • D. 8.0
      • Discuss
    • 6. For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

    • Options
    • A. h/4
    • B. 1/2 h
    • C. h
    • D. 2 h.
      • Discuss
    • 7. The flat slab is a reinforced concrete slab with or without drops and is supported

    • Options
    • A. on columns without column head
    • B. on columns with column head
    • C. on beams
    • D. None of these.
      • Discuss
    • 8. The shape factor of the section shown in the below figure is

    • Options
    • A. 1.5
    • B. 1.12
    • C. 2
    • D. 1.7
      • Discuss
    • 9. The maximum compressive strength on 15 cm cubes of M 20 grade concrete at 7 days, should be a minimum of

    • Options
    • A. 7 N/mm2
    • B. 10 N/mm2
    • C. 15 N/mm2
    • D. 20 N/mm2
      • Discuss
    • 10. A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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