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

  • A flow through an expanding tube at constant rate is called


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

  • Correct Answer
  • steady non-uniform flow 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

    • Options
    • A. decreases
    • B. increases
      • Discuss
    • 2. The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

    • Options
    • A. expands
    • B. does not change
    • C. contracts
      • Discuss
    • 3. The depth of centre of pressure lor an immersed surface inclined at an angle ? with the liquid surface lies at a distance equal to __________ the centre of gravity.

    • Options
    • A. below
    • B. above
    • C. below
    • D. above
      • Discuss
    • 4. The flow in a pipe or channel is said to be uniform when

    • Options
    • A. the liquid particles at all sectons have the same velocities
    • B. the liquid particles at different sections have different velocities
    • C. the quantity of liquid flowing per second is constant
    • D. each liquid particle has a definite path
      • Discuss
    • 5. Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

    • Options
    • A. Cc x Cv
    • B. Cc x Cr
    • C. Cv x Cr
    • D. Cc/Cr
      • Discuss
    • 6. When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The critical depth meter is used to measure

    • Options
    • A. velocity of flow in an open channel
    • B. depth of flow in an open channel
    • C. hydraulic jump
    • D. depth of channel
      • Discuss
    • 8. One cubic metre of water weighs

    • Options
    • A. 100 litres
    • B. 250 litres
    • C. 500 litres
    • D. 1000 litres
      • Discuss
    • 9. The centre of pressure acts __________ the centre of gravity of immersed surface.

    • Options
    • A. at
    • B. above
    • C. below
      • Discuss
    • 10. The highest efficiency is obtained with a channel of __________ section.

    • Options
    • A. circular
    • B. square
    • C. rectangular
    • D. trapezoidal
      • Discuss

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