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  • Question

  • Capillary rise of water is


  • Options
  • A. directly proportional to surface tension
  • B. inversely proportional to water density
  • C. inversely proportional to diameter of the tube
  • D. All of these.

  • Correct Answer
  • All of these. 

    • Hydraulics problems

    Search Results

    • 1. The dimensions MLT-2 refers to

    • Options
    • A. specific weight
    • B. force
    • C. discharge
    • D. none of these.
      • Discuss
    • 2. Discharge through a totally submerged orifice, is directly proportional to

    • Options
    • A. difference in elevation of water surfaces
    • B. square root of the difference in elevation of water surface
    • C. square root of the opening
    • D. reciprocal of the area of the opening
    • E. none of these.
      • Discuss
    • 3. The pressure less than atmospheric , pressure, is known

    • Options
    • A. suction pressure
    • B. vacuum pressure
    • C. negative gauge pressure
    • D. all the above.
      • Discuss
    • 4. The depth of the centre of pressure on a vertical rectangular gate (4 m wide, 3 m high) with water upto top surface, is

    • Options
    • A. 1.0 m
    • B. 1.5 m
    • C. 2.0 m
    • D. 2.5 m.
      • Discuss
    • 5. When the whole fluid mass rotates either due to fluid pressure or gravity or rotation previously imparted, the motion is known as

    • Options
    • A. free vortex
    • B. forced vortex
    • C. non-potential vortex
    • D. rotational vortex.
      • Discuss
    • 6. Specific energy of a flowing fluid per unit weight is

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

    • Options
    • A. The fluids which follow are known as Newtonian fluids
    • B. The fluids which do not follow the linear relationship between shear and rate of strain are known as non Newtonian fluids
    • C. The substances which flow after yield strains, are known as plastics
    • D. all the above.
      • Discuss
    • 8. The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called

    • Options
    • A. Euler number
    • B. Frode number
    • C. Reynold number
    • D. Weber number.
      • Discuss
    • 9. Poise is the unit of

    • Options
    • A. viscosity
    • B. velocity gradient
    • C. mass density
    • D. kinematic viscous.
      • Discuss
    • 10. Chezy's constant is suggested by

    • Options
    • A. Bazin
    • B. Kutter
    • C. Manning
    • D. Powell.
      • Discuss

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