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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Rain drops are spherical because of

atmospheric pressure
air resistance
viscosity
surface tension forces

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Hydraulics and Fluid Mechanics in ME
A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.

H/3
3H/4
H/2
2H/3

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Hydraulics and Fluid Mechanics in ME
The centre of gravity of the volume of the liquid displaced is called

None of the listed here
Centre of buoyancy
Centre of pressure
Metacentre

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Hydraulics and Fluid Mechanics in ME
Which of the following is dimensionless?

Specific volume
Specific speed
Specific weight
Specific gravity

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
0.8
1
1.2

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Hydraulics and Fluid Mechanics in ME
A flow through a long pipe at constant rate is called

Steady uniform flow
Steady non-uniform flow
Unsteady non-uniform flow
Unsteady uniform flow

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