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What is meant by critical velocity of a ...

What is meant by critical velocity of a liquid?

A

decreases when radius decreases

B

increases when radius increases

C

decreases when density increases

D

increases when density increases

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SL ARORA-Mechanical Properties of fluids-Exercise
  1. Which one is not a dimensional number ?

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  2. The Reynold's number for fluid flow in a pipe is independent of

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  3. What is meant by critical velocity of a liquid?

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  4. The water flows form a tap of diameter 1.25 cm with a rate of 5xx10^(-...

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  5. While studying about fluid mechanics, the equations and postulates sta...

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  6. Bernoulli's equation is conservation of

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  7. An aeroplane gets its upward lift due to a phenomenon described by the

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  8. Water flows along horizontal pipe whose cross-section is not constant....

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  9. The rate of flow of liquid through an orifice of a tank does not depen...

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  10. In a container, filled with water upto a height h, a hole is made in t...

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  11. The velocity of efflux of a liquid through an orific in the bottom of ...

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  12. Water stands at a depth H in a tank whose side walls are vertical. A h...

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  13. A rectangular vessel when full of water takes 10 minutes to be emptied...

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  14. The unit of surface tension in SI system is

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  15. The water droplets in free fall are spherical due to

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  16. A square wire frame of L is dipped in a liquid, on taking out a membra...

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  17. Calculate the force required to separate the glass plates of area 10^(...

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  18. A wire of length L metres, made of a material of specific gravity 8 is...

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  19. One large soap bubble of diameter D breaksinto 27 bubbles having surfa...

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  20. A mercury drop of radius 1 cm is broken into 10^6 droplets of equal si...

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