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State the conditions for stable equilibr...

State the conditions for stable equilibrium for fleating bodies.

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(i) The weight of the displaced liquid should be greater than the entire weight of the body
(ii) The centre of gravity of the body and the centre of buoyancy of the displaced liquid should lie on the same vertical line with the centre of gravity below the centre of buoyancy.
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SUBHASH PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-TWO MARK QUESTIONS AND ANSWERS
  1. State the conditions for stable equilibrium for fleating bodies.

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  2. Mention any one application of pascal's law.

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  3. Write the equation of continaity.

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  4. Give two limitations of Beruoulli's theorem.

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  5. What is meant by critical velocity of a liquid? Explain the characteri...

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  6. Mention any two applications of Bernoulli's theorem.

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  7. Why bullets/missiles are cylindrical and given an initial spin.

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  8. Why is that the life boat often collides with the mother ship?

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  9. If 'H' is the height of liquid in a cylindrical container and 'h' is t...

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  10. For what value of 'h' of orifice below the jet the range will be maxim...

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  11. What is magnus effect ?

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  12. Name the two types molecular forces.

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  13. Water sticks to glass whereas mercury does not. Explain.

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  14. Distinguish between cohesive and adhesive forces.

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  15. Give any two illustrations of surface tension.

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  16. Pond skaters walk on the surface of water. Give reason for it.

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  17. Explain the action of detergents.

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  18. When it is raining, it is not advised to resist water drops falling on...

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  19. What is meant by surface energy? Give the expression for surface energ...

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