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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
The fluid forces considered in the Navier Stokes equation are

gravity, pressure and viscous
gravity, pressure and turbulent
gravity, viscous and turbulent
pressure, viscous and turbulent

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Hydraulics and Fluid Mechanics in ME
The property by virtue of which a liquid opposes relative motion between its different layers is called

Coefficient of viscosity
Osmosis
Surface tension
Viscosity

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Hydraulics and Fluid Mechanics in ME
With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on

a circular disc of plate held normal to flow
a cylinder
a sphere
a streamlined body

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Hydraulics and Fluid Mechanics in ME
If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will

tend to move downward and it may finally sink
rise until its weight equals the buoyant force
float
None of these

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Hydraulics and Fluid Mechanics in ME
A double overhung Pelton wheel has

Two jets
Four jets
Two runners
Four runners

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