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Hydraulics and Fluid Mechanics in ME

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

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Hydraulics and Fluid Mechanics in ME
An ideal flow of any fluid must fulfill the following

Pascal’ law
Continuity equation
Newton’s law of viscosity
Newton’s law of motion

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a curve, is called

Three-dimensional flow
Two-dimensional flow
One-dimensional flow
Four-dimensional flow

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Hydraulics and Fluid Mechanics in ME
The upper surface of a weir over which water flows is known is

sill
crest
nappe
weir top

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Hydraulics and Fluid Mechanics in ME
A channel is said to be of most economical cross-section, if

All of these
It involves lesser excavation for the designed amount of discharge
It has minimum wetted perimeter
It gives maximum discharge for a given cross-sectional area and bed slope

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends upon the

Compressibility of the liquid
Weight of the liquid displaced
Pressure with which the liquid is displaced
Viscosity of the liquid

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