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The flow of water of river at banks is ...

The flow of water of river at banks is slow than at middle of river .Explain .

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There are adhesive force exerted between water and banks .Hence , velocity of flow decreases .At middle of river there are less adhesive forces exerted and hence exist more velocity .
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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION -C (Objective Questions) (VSQs)
  1. Give two uses of Stoke's law.

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  2. Which one of the force does not depend on the velocity - frictional f...

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  3. The flow of water of river at banks is slow than at middle of river ....

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  4. Which falls faster , big rain drops or small rain drops ?

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  5. Why not rain drops do not posses greater velocity than some velocity ?

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  6. Why is dust particles settled down on floor in a closed room ?

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  7. Give an illustration of steady flow.

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  8. Explain Reynolds Number.

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  9. What is the value of Reynolds number for streamline flow ?

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  10. What is the value of Reynolds number for unsteady flow ?

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  11. What is the value of Reynold's number for turbulent flow ?

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  12. What is inertial force ?

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  13. Which of the ratio of forces represents the Reynolds number Re ?

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  14. Why does fluid flow faster at a narrow tube ?

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  15. Which fundamental law forms the basis of equation of continuity ?

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  16. Which types of energies are present in streamline flow of fluid ?

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  17. Which fundamental law forms the basis of Bernoullis equation ?

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  18. Write Bernoulli's principle in word.

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  19. Why is it dangerous to stand on the edge of platform near the line ,wh...

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  20. Why two rowing boats moving parallel to each other come closer (attrac...

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