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

  • In one dimensional flow, the flow


  • Options
  • A. is steady and uniform
  • B. takes place in straight line
  • C. takes place in curve
  • D. takes place in one direction

  • Correct Answer
  • takes place in straight line 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. The weight per unit volume of a liquid at a standard temperature and pressure is called

    • Options
    • A. specific weight
    • B. mass density
    • C. specific gravity
    • D. none of these
      • Discuss
    • 2. The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)

    • Options
    • A. Cd 2g x H
    • B. Cd 2g x H3/2
    • C. Cd 2g x H2
    • D. Cd 2g x H5/2
      • Discuss
    • 3. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

    • Options
    • A. The bodies A and B have equal stability
    • B. The body A is more stable than body B
    • C. The body B is more stable than body A
    • D. The bodies A and B are unstable
      • Discuss
    • 4. A manometer is used to measure

    • Options
    • A. low pressure
    • B. moderate pressure
    • C. high pressure
    • D. atomospheric pressure
      • Discuss
    • 5. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)

    • Options
    • A. wH
    • B. wH/2
    • C. wH2/2
    • D. wH2/3
      • Discuss
    • 6. A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 7. A siphon is used to connect two reservoirs at different levels intervened by a high ridge.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. In open channels, the specific energy is the

    • Options
    • A. total energy per unit discharge
    • B. total energy measured with respect to the datum passing through the bottom of the channel
    • C. total energy measured above the horizontal datum
    • D. kinetic energy plotted above the free surface of water
      • Discuss
    • 9. The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy 's coefficient of friction for pipe, and l = Length of pipe )

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The maximum discharge over a broad crested weir is

    • Options
    • A. 0.384 Cd x L x H1/2
    • B. 0.384 Cd x L x H3/2
    • C. 1.71 Cd x L x H1/2
    • D. 1.71 Cd x L x H3/2
      • Discuss

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