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

  • A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 4. In a venturiflume, the flow takes place at

    • Options
    • A. atmospheric pressure
    • B. gauge pressure
    • C. absolute pressure
    • D. none of these
      • Discuss
    • 5. A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a

    • Options
    • A. notch
    • B. weir
    • C. mouthpiece
    • D. nozzle
      • Discuss
    • 6. 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
    • 7. 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
      • Discuss
    • 8. The discharge in an open channel corresponding to critical depth is

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

    • Options
    • A. cylindrical shape
    • B. convergent shape
    • C. divergent shape
    • D. convergent-divergent shape
      • Discuss
    • 10. 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

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