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  • Question

  • 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.

  • Correct Answer
  • hyperbolic 

    • Hydraulics problems

    Search Results

    • 1. Hydraulic coefficient of an orifice means the coefficient of

    • Options
    • A. velocity
    • B. contraction
    • C. resistance
    • D. all the above.
      • Discuss
    • 2. Chezy's constant is suggested by

    • Options
    • A. Bazin
    • B. Kutter
    • C. Manning
    • D. Powell.
      • Discuss
    • 3. Poise is the unit of

    • Options
    • A. viscosity
    • B. velocity gradient
    • C. mass density
    • D. kinematic viscous.
      • Discuss
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. For a long pipe, the head loss

    • Options
    • A. at the entrance is ignored
    • B. at the outlet is ignored
    • C. at the entrance and outlet both are ignored
    • D. due to friction is ignored.
      • Discuss
    • 10. If the Mach number for a fluid flow is less than 1, the flow is

    • Options
    • A. sonic
    • B. supersonic
    • C. sub-sonic
    • D. none of these.
      • Discuss

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