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Hydraulics and Fluid Mechanics in ME

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

Osmosis
Viscosity
Coefficient of viscosity
Surface tension

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Hydraulics and Fluid Mechanics in ME
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is

2
43924
1
4

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Hydraulics and Fluid Mechanics in ME
In an immersed body, centre of pressure is

Above the centre of gravity
At the centre of gravity
Could be above or below e.g. depending on density of body and liquid
Below be centre of gravity

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Hydraulics and Fluid Mechanics in ME
The atmospheric pressure at sea level is

All of these
103 kN/m2
10.3 m of water
760 mm of mercury

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Hydraulics and Fluid Mechanics in ME
The property of a fluid which enables it to resist tensile stress is known as

compressibility
surface tension
cohesion
adhesion

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Hydraulics and Fluid Mechanics in ME
One stoke is equal to

10-4 m2/s
10-3 m2/s
10-2 m2/s
10-6 m2/s

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