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  • Question

  • 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.

  • Correct Answer
  • Reynold number 

    • Hydraulics problems

    Search Results

    • 1. 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
    • 2. Specific energy of a flowing fluid per unit weight is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. 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.
      • Discuss
    • 4. The dimensions MLT-2 refers to

    • Options
    • A. specific weight
    • B. force
    • C. discharge
    • D. none of these.
      • Discuss
    • 5. 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
    • 6. Poise is the unit of

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

    • Options
    • A. Bazin
    • B. Kutter
    • C. Manning
    • D. Powell.
      • Discuss
    • 8. Hydraulic coefficient of an orifice means the coefficient of

    • Options
    • A. velocity
    • B. contraction
    • C. resistance
    • D. all the above.
      • Discuss
    • 9. In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be

    • Options
    • A. circular
    • B. parabolic
    • C. hyperbolic
    • D. elliptical.
      • Discuss
    • 10. Total pressure on the top of a closed cylindrical vessesl completely filled with liquid, is directly proportional to

    • Options
    • A. radius
    • B. (radius)2
    • C. (radius)3
    • D. (radius)4
    • E. none of these.
      • Discuss

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