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What is 1 bar ?...

What is 1 bar ?

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1 bar `=10^(5)N//m^(2))`
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If bar(a)=hati+hatj+hatk,bar(b)=hati+hatj,bar( c )=hati and (bar(a)xx bar(b))xx bar( c )=lambda bar(a)+mu bar(b) then lambda+mu = …………

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bar(a),bar(b) and bar( c ) are three non zero, non planar vectors. bar(p)=bar(a)+bar(b)-2bar( c ),bar(q)=3bar(a)-2bar(b)+bar( c ) and bar( r )=bar(a)-4bar(b)+2bar( c ) . The volume of the parallelepiped formed by the vectors bar(a),bar(b) and bar( c ) is V_(1) and the volume of the parallelepiped formed by the vectors bar(p),bar(q) and bar( r ) is V_(2) then V_(2):V_(1) = .............

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KUMAR PRAKASHAN-MECHANICAL PROPERTIES OF FLUIDS -SECTION -C (Objective Questions) (VSQs)
  1. How mush force is exerted on our body at atmospheric pressure ?

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  2. What is 1 Torr pressure ?

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  3. What is 1 bar ?

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  4. Write relation between torr and millibar .

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  5. On what factors does the pressure of any place depends ?

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  6. Express 1 atm pressure into N//m^(2) and bar.

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  7. Why does food cook faster in a pressure cooker ?

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  8. Explain that you can't make a decent cup of tea up on a mountain ?

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  9. When air plane fly at higher altitude it is not right to keep a founta...

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  10. Mountaineers suffer from nose bleeding (nostril ) at higher altitudes.

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  11. It is difficult to heal wound on mountain.

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  12. Straws are used to take soft drinks . Why ?

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  13. Explain why are water storage dam walls thicker at the bottom.

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  14. Why does an air bubble form in water grow in size from bottom when it ...

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  15. Why is mercury used in a barometer ?

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  16. What are difficulties arised by using water in a barometer instead of ...

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  17. What does it mean when a height of a barometer is falling ?

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  18. What does it mean when a height of a barometer is rising ?

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  19. A barometer kept in a elevator accelerating upwards with acceleration ...

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  20. A barometer kept in an elevator accelerating downwards with accelerat...

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