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  • Question

  • A weir, generally, used as a spillway of a dam is


  • Options
  • A. narrow crested weir
  • B. broad crested weir
  • C. Ogee weir
  • D. submerged weir

  • Correct Answer
  • Ogee weir 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. A fluid which obeys the Newton's law of viscosity is termed as

    • Options
    • A. real fluid
    • B. ideal fluid
    • C. newtonian fluid
    • D. non-newtonian fluid
      • Discuss
    • 2. A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. If the depth of water in an open channel is less than the critical depth, the flow is called

    • Options
    • A. critical flow
    • B. turbulent flow
    • C. tranquil flow
    • D. torrential flow
      • Discuss
    • 4. In order to avoid tendency of separation at throat in a venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A nozzle placed at the end of a water pipe line discharges water at a

    • Options
    • A. low pressure
    • B. high pressure
    • C. low velocity
    • D. high velocity
      • Discuss
    • 6. The discharge in an open channel corresponding to critical depth is

    • Options
    • A. zero
    • B. minimum
    • C. maximum
      • Discuss
    • 7. A nozzle is generally made of

    • Options
    • A. cylindrical shape
    • B. convergent shape
    • C. divergent shape
    • D. convergent-divergent shape
      • Discuss
    • 8. According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 10. When the flow in an open channel is gradually varied, the flow is said to be

    • Options
    • A. steady uniform flow
    • B. steady non-uniform flow
    • C. unsteady uniform flow
    • D. unsteady non-uniform flow
      • Discuss

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