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Why does fluid flow faster at a narrow t...

Why does fluid flow faster at a narrow tube ?

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According to equation of continuity `vprop(1)/(A)` so velocity at narrow tube is faster .
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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION -C (Objective Questions) (VSQs)
  1. What is inertial force ?

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

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

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

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

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

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  7. Write Bernoulli's principle in word.

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

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

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  10. When a fluid passes through a constricted part of a pipe ,what happens...

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  11. Why does a flag (or ensign) flutter when there is strong wind ?

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  12. Explain why roof of building flyout during stormy wind.

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  13. Why does an airplane run a certain length on the runway first before t...

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  14. Explain why bullets of gun are cylinder in shape ?

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  15. What is magnus effect ?

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  16. Give reason why mercury does not wet glass .

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  17. Why free surface of liquid tend to contract their surface ?

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  18. When drops of mercury are placed on a clean surfaces of glass , they m...

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  19. Give reason why are some insects able to walk on water surface ?

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  20. Why surface tension of antiseptics kept less ?

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