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  • Question

  • The ratio of inertia force of a flowing fluid and the viscous force of the liquid is called :


  • Options
  • A. Renold's number
  • B. Froude's number
  • C. Euler's number
  • D. Weber's number.

  • Correct Answer
  • Renold's number 

    • Hydraulics problems

    Search Results

    • 1. The acceleration f required to accelerate a rectangular tank containing water horizontally so that the slope of its free surface is 45°, is

    • Options
    • A. g/2
    • B. g
    • C. 2 g
    • D. 2.5 g
    • E. 3 g.
      • Discuss
    • 2. The instrument used for measuring the velocity of flow, is known as

    • Options
    • A. venturimeter
    • B. orifice meter
    • C. pitot tube
    • D. none of these.
      • Discuss
    • 3. The upper surface of the weir over which water flows, is known as

    • Options
    • A. vein
    • B. nappe
    • C. sill
    • D. none of these.
      • Discuss
    • 4. In flowing liquids pitot tubes are used measure

    • Options
    • A. discharge
    • B. pressure
    • C. velocity
    • D. depth.
      • Discuss
    • 5. In a venturimeter, the divergent cone is kept

    • Options
    • A. shorter than convergent cone
    • B. equal to covergent cone
    • C. longer than convergent cone
    • D. none of these.
      • Discuss
    • 6. For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom

    • Options
    • A. parallel to the road surface
    • B. parallel to the horizontal surface
    • C. inclined upward while moving upwards
    • D. inclined downward while moving downwards.
      • Discuss
    • 7. If L, D and f are the length, diameter and coefficient of friction of a pipe, the ratio of the areas of the pipe A and nozzle a, to transmit maximum power, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Water belongs to

    • Options
    • A. Newtonian fluids
    • B. non-Newtonian fluids
    • C. compressible fluid
    • D. none of these.
      • Discuss
    • 9. The discharge through a V-notch weir varies as

    • Options
    • A. H
    • B. 1/H
    • C. H3/2
    • D. H7/2
    • E. H5/2.
      • Discuss
    • 10. The discharg formula Q = Cd 2gH x A is used for rectangular

    • Options
    • A. small orifices only
    • B. large orifices only
    • C. small and large orifices only
    • D. for all types of orifices.
      • Discuss

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