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Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
  • Question

  • The discharge through a siphon spillway is


  • Options
  • A. Cd x a2gH
  • B. Cd x a2g x H3/2
  • C. Cd x a2g x H2
  • D. Cd x a2g x H5/2

  • Correct Answer
  • Cd x a2gH 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.

    • Options
    • A. incompressible
    • B. compressible
      • Discuss
    • 3. The centre of buoyancy is the centre of area of the immersed body.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 4. The Bernoulli's equation is based on the assumption that

    • Options
    • A. there is no loss of energy of the liquid flowing
    • B. the velocity of flow is uniform across any cross-section of the pipe
    • C. no force except gravity acts on the fluid
    • D. all of the above
      • Discuss
    • 5. The frequency of oscillation of a torsional pendulum is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. The centre of gravity of the volume of the liquid displaced is called

    • Options
    • A. centre of pressure
    • B. centre of buoyancy
    • C. metacentre
    • D. none of these
      • Discuss
    • 7. In a free nappe,

    • Options
    • A. the pressure below the nappe is atmospheric
    • B. the pressure below the nappe is negative
    • C. the pressure above the nappe is atmospheric
    • D. the pressure above the nappe is negative
      • Discuss
    • 8. The maximum efficiency of transmission through a pipe is

    • Options
    • A. 50%
    • B. 56.7%
    • C. 66.67%
    • D. 76.66%
      • Discuss
    • 9. In a depressed nappe

    • Options
    • A. the pressure below the nappe is atmospheric
    • B. the pressure below the nappe is negative
    • C. the pressure above the nappe is atmospheric
    • D. the pressure above the nappe is negative
      • Discuss
    • 10. One litre of water occupies a volume of

    • Options
    • A. 100 cm3
    • B. 250 cm3
    • C. 500 cm3
    • D. 1000 cm3
      • Discuss

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