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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The center of gravity of the volume of the liquid displaced by an immersed body is called

center of pressure
center of gravity
metacentre
center of buoyancy

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Hydraulics and Fluid Mechanics in ME
Center of buoyancy is the

center of pressure of displaced volume
does not exist
e.g. of floating body
centroid of the displaced volume of fluid

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Hydraulics and Fluid Mechanics in ME
The specific speed of a turbine is given by the equation

N√P / H3
N√P / H²
N√P / H5/4
N√P / H3/2

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Hydraulics and Fluid Mechanics in ME
A nozzle is generally made of

Convergent-divergent shape
Cylindrical shape
Convergent shape
Divergent shape

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Hydraulics and Fluid Mechanics in ME
Center of pressure compared to e.g. is

Below it
Above or below depending on area of body
Above it
At same point

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Distance
Density
Pressure
Flow

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