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Hydraulics problems

  • 1. The radius of gyration of the water line of a floating ship is 4 m and its metacentric height is 72.5 cm. The period of oscillation of the ship, is

  • Options
  • A. ?
  • B. 2?
  • C. 3?
  • D. 4?
  • E. ?/2
    • Discuss
  • 2. If D is the diameter of a pipe of length L and f is the coefficient of friction of pipe then diameter of the nozzle d is

  • Options
  • A.
  • B.
  • C.
  • D. none of these.
    • Discuss
  • 3. An independent mass of a fluid does not posses

  • Options
  • A. elevation energy
  • B. kinetic energy
  • C. pressure energy
  • D. none of these.
    • Discuss
  • 4. While applying the Bernoulli's equation Civil Engineering Hydraulics: While applying the Bernoulli's equation = total head, the work any section done on the flow system, if any

  • Options
  • A. is added on the right side of the equation
  • B. is added on the left side of the equation
  • C. is ignored
  • D. none of these.
    • Discuss
  • 5. Critical depth (h) of a channel, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 6. Discharge Q over a rectangular weir of length L and height H, is given by the equation

  • Options
  • A. Q = 2/3 Cd2g LH3/2
  • B. Q = 2/3 CdL H2gH
  • C.
  • D. all the above.
    • Discuss
  • 7. Highest dam in India, is

  • Options
  • A. Bhakra dam
  • B. Hirakund dam
  • C. Nagarjuna Sagar dam
  • D. Iddiki dam.
    • Discuss
  • 8. When a body is totally or partially immersed in a fluid, it is buoyed up by a force equal to

  • Options
  • A. weight of the body
  • B. weight of the fluid displaced by the body
  • C. weight of the body and fluild displaced by the body
  • D. difference of weights of the fluid displaced and that of the body
  • E. none of these.
    • Discuss
  • 9. Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 10. The horizontal component of the force on a curved surface is equal to

  • Options
  • A. weight of liquid vertically below the curved surface
  • B. force on a vetical projection of the curved surface
  • C. product of pressure at its centroid and the area
  • D. weight of liquid retained by the curved area.
    • Discuss

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