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  • Question

  • If P, Y and Z are the weights of cement, fine aggregates and coarse aggregates respetively and W/C is the water cement ratio, the minimum quantity of water to be added to first batch, is obtained by the equation


  • Options
  • A. 0.1P + 0.3Y + 0.1Z = W/C x P
  • B. 0.3P + 0.1Y + 0.01Z = W/C x P
  • C. 0.4P + 0.2Y + 0.01Z = W/C x P
  • D. 0.5P + 0.3Y + 0.01Z = W/C x P
  • E. 0.2P + 0.5Y + 0.1Z = W/C x P

  • Correct Answer
  • 0.3P + 0.1Y + 0.01Z = W/C x P 

    • More questions

    • 1. Imhoff cone is used to determine

    • Options
    • A. settlable solids
    • B. suspended solids
    • C. dissolved solids
    • D. none of these.
      • Discuss
    • 2. The economical depth d of a web plate in which allowable bearing stress is fb, and the maximum bending moment is M, as suggested by Rawater and Clark, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 3. If q is the discharge per unit width of a channel and D1 D2 are the depths of water before and after hydraulic jump, the following relationship is true

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. The width of the right of way in urban area, is kept between 24 m to 60 m for

    • Options
    • A. National Highways
    • B. State Highways
    • C. Both (a) and (b)
    • D. None of these.
      • Discuss
    • 5. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot, is known

    • Options
    • A. declination
    • B. azimuth
    • C. dip
    • D. bearing.
      • Discuss
    • 6. For the estimate of high floods in fan-shaped catchment, the formula used is

    • Options
    • A. Dicken's formula
    • B. Ryve's formula
    • C. Inglis formula
    • D. none of these.
      • Discuss
    • 7. The smoothened surface of the front face of the guay walls, is known as fending which is made of

    • Options
    • A. granite stone
    • B. timber
    • C. steel
    • D. all the above.
      • Discuss
    • 8. A stone is whirled in a vertical circle, the tension in the string, is maximum

    • Options
    • A. when the string is horizontal
    • B. when the stone is at the highest position
    • C. when the stone is at the lowest position
    • D. at all the positions.
      • Discuss
    • 9. In C.G.S. system the unit of visocity is

    • Options
    • A. dyne
    • B. joule
    • C. poise
    • D. Newton
    • E. none of these.
      • Discuss
    • 10. Allowable shear strength of concrete, depends upon

    • Options
    • A. shear strength
    • B. tensile strength
    • C. compressive strength
    • D. none of these.
      • Discuss

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