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  • Question

  • 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. Discharge Q over a rectangular weir of length L and height H, is given by the equation Q = 2/3 Cd2g
  • D. all the above.

  • Correct Answer
  • all the above. 

    • Hydraulics problems

    Search Results

    • 1. Critical depth (h) of a channel, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 2. 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
    • 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. 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
    • 5. 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
    • 6. Highest dam in India, is

    • Options
    • A. Bhakra dam
    • B. Hirakund dam
    • C. Nagarjuna Sagar dam
    • D. Iddiki dam.
      • Discuss
    • 7. 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
    • 8. Time of emptying liquid from a hemispherical vessel through an orifice at its bottom, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. 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
    • 10. Maximum efficiency of transmission of power through a pipe, is

    • Options
    • A. 25%
    • B. 33.3%
    • C. 50%
    • D. 66.67%.
      • Discuss

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