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Hydraulics problems

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

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 2. 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
  • 3. 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
  • 4. Poise is the unit of

  • Options
  • A. viscosity
  • B. velocity gradient
  • C. mass density
  • D. kinematic viscous.
    • Discuss
  • 5. Chezy's constant Civil Engineering Hydraulics: Chezy's constant is su is suggested by

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

  • Options
  • A. velocity
  • B. contraction
  • C. resistance
  • D. all the above.
    • Discuss
  • 7. 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
  • 8. 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
  • 9. In a fluid flow a particle may posses

  • Options
  • A. elevation energy
  • B. kinetic energy
  • C. pressure energy
  • D. initial energy
  • E. all the above.
    • Discuss
  • 10. An error of 1% in measuring the head of water over the crest of a rectangular weir, produces an error in the discharge which is equal to

  • Options
  • A. 1.25%
  • B. 1.5%
  • C. 1.75%
  • D. 2.25%
    • Discuss

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