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Hydraulics problems

  • 1. 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
  • 2. The equation Civil Engineering Hydraulics: The equation for the v for the viscosity, is suggested

  • Options
  • A. Bernoulli
  • B. Newton
  • C. Chezy
  • D. Bezin
  • E. Helmholtz.
    • Discuss
  • 3. 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
  • 4. 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
  • 5. A fluid particle may possess the displacement of

  • Options
  • A. translation
  • B. rotation
  • C. distortion
  • D. all the above.
    • Discuss
  • 6. In Newton's viscosity equation Civil Engineering Hydraulics: 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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