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  • Question

  • To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mixing time may be


  • Options
  • A. To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mix to 1 minute
  • B. 1 to To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mix minutes
  • C. To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mix to 2 minutes
  • D. 2 to To achieve uniform colour and consistency of the concrete by using ordinary Portland cement, the mix minutes
  • E. none of these.

  • Correct Answer
  • to 2 minutes 

    • Structural Design Specifications problems

    Search Results

    • 1. All reinforcement should be free from

    • Options
    • A. loose mill scales
    • B. loose rust
    • C. paints
    • D. oil
    • E. all the above.
      • Discuss
    • 2. If b is actual width of a flange, Dt is the thickness of the flange, b? is the breath of the web, lo is the distance between the points of zero moments in a beam, the effective width of the flange, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. Pick up the correct statement from the following:

    • Options
    • A. For steel castings, the minimum tensile strength is 41 kg/mm2 and minimum yield stress is 20.5 kg/mm2
    • B. For mild steel the minimum tensile strength is 44 kg/mm2 and minimum elongation of 23% on a gauge length of 5.65A
    • C. For high tensile steel, the minimum tensile strength is 58 kg/mm2
    • D. All the above.
      • Discuss
    • 4. In the formula a + bk for the calculation of the net effective section of single tee in tension connected by flange to the same side of the same side of the gusset, the value of 'k' is taken

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A solid slab spanning in two directions at right angles and carrying a uniformly distributed load, is supported on beams. If the length of two such beams A and B perpendicular to each other are x and y (x<y), the load shared by the beam A, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. If the main reinforcement of the slab is parallel to a T-beam, the transverse reinforcement at mid span of the slab is provided at least ......of main reinforcement

    • Options
    • A. 40%
    • B. 50%
    • C. 60%
    • D. 70%.
      • Discuss
    • 7. For all practical purposes, the modulus of elasticity of steel is assumed

    • Options
    • A. 200 kN/mm2
    • B. 225 kN/mm2
    • C. 250 kN/mm2
    • D. 275 kN/mm2
      • Discuss
    • 8. For spans upto 10 m, the safe span to depth ratio for

    • Options
    • A. cantilever is 7
    • B. simply supported beams is 20
    • C. continuous beams is 26
    • D. all the above.
      • Discuss
    • 9. The angle of inclination of the lacing bars with axis of the member is kept between

    • Options
    • A. 20° and 50°
    • B. 30° and 60°
    • C. 40° and 70°
    • D. 50° and 80°
      • Discuss
    • 10. If fck is characteristic compressive strength of concrete, the flexural and split tensile strength fcr = afck N/mm2 where the value of a is

    • Options
    • A. 0.4
    • B. 0.5
    • C. 0.6
    • D. 0.7
    • E. 0.8
      • Discuss

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