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  • Question

  • A fluid particle may possess the displacement of


  • Options
  • A. translation
  • B. rotation
  • C. distortion
  • D. all the above.

  • Correct Answer
  • all the above. 

    • Hydraulics problems

    Search Results

    • 1. A non-uniform steady flow is through

    • Options
    • A. a long tube at a decreasing rate
    • B. an expanding tube at constant rate
    • C. an expanding tube at increasing rate
    • D. a long pipe at increasing rate.
      • Discuss
    • 2. A cylindrical vessel 40 cm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is 5 cm, the angular velocity of rotation, is

    • Options
    • A. 2 rad/sec
    • B. 3 rad/sec
    • C. 4 rad/sec
    • D. 5 rad/sec
    • E. none of these.
      • Discuss
    • 3. The equation for the viscosity, is suggested

    • Options
    • A. Bernoulli
    • B. Newton
    • C. Chezy
    • D. Bezin
    • E. Helmholtz.
      • Discuss
    • 4. To avoid an interruption in the flow of a syphon, an air vessel is provided

    • Options
    • A. at the inlet
    • B. at the outlet
    • C. at the summit
    • D. at any point between intet and outlet.
      • Discuss
    • 5. The magnitude of water hammer in a pipe depends upon

    • Options
    • A. speed at which value is closed
    • B. length of the pipe line
    • C. elastic properties of the pipe material
    • D. elastic properties of the following liquid
    • E. all the above.
      • Discuss
    • 6. In Newton's viscosity equation , the coefficient (?) is known as coefficient of

    • Options
    • A. viscosity
    • B. absolute viscosity
    • C. dynamic viscosity
    • D. simple viscosity
    • E. all the above.
      • Discuss
    • 7. An ideal fluid is

    • Options
    • A. incompressible
    • B. compressible
    • C. compressible and non-viscous
    • D. slightly affected by surface torque.
      • Discuss
    • 8. Flow in pipes is turbulent if Reynold number is

    • Options
    • A. less than 2100
    • B. more than 3000
    • C. between 2100 and 3000
    • D. none of these.
      • Discuss
    • 9. Pick up the correct statement from the following :

    • Options
    • A. When the length of the tube is equal to diameter of the internal mouth piece, the jet of liquid comes out without touching the sides of the tube
    • B. When the length of the tube is three times the diameter of the internal mouth piece, the jet diameter is equal to diameter of the tube.
    • C. both (a) and (b)
    • D. Neither (a) nor (b).
      • Discuss
    • 10. For pipes not running full, the hydraulic mean depth is given by

    • Options
    • A. m = r(? - sin ?)
    • B.
    • C.
    • D.
      • Discuss

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