Hydraulics and Fluid Machines - Hydraulics and Fluid Machines objective type questions and answers


31. Centre of pressure of a plane surface is immersed in a liquid is.......


   A.About the centre of gravity of the plane surface

   B.At the centre of gravity of the plane surface

   C.Below the centre of gravity of the plane surface

   D.None of the above


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C.Below the centre of gravity of the plane surface

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32. The bulk models of elasticity with increases in pressure .......


   A.Increases

   B.Decreases

   C.Remain constant

   D.Unpredictable


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A.Increases

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33. The resultant hydrostatic force acts through a point known as .........


   A.Centre of gravity

   B.Centre of buoyancy

   C.Centre of pressure

   D.None of the above


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C.Centre of pressure

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34. The bulk molecules of elasticity ......


   A.Has the dimensions of 1/pressure

   B.Increases with pressure

   C.Is the large when liquid is the more compressible

   D.Is directly proportional to flow


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B.Increases with pressure

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35. For a floating body,the buoyant force passes through the .......


   A.Centre of gravity of the body

   B.Centre of gravity of the submerged part of the body

   C.Metacentre of the body

   D.Centroid of the liquid displaced by the body


✔ View Answer


D.Centroid of the liquid displaced by the body

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