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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as

Broad-crested weir
Narrow-crested weir
Ogee weir
Submerged weir

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Square of ratio of diameters
Ratio of diameters
Inverse ratio of diameters
Square of inverse ratio of diameters

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Hydraulics and Fluid Mechanics in ME
The buoyancy depends on

depth of immersion
mass of liquid displaced
viscosity of the liquid
pressure of the liquid displaced

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Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/2
wH
wH/2
wH2/4

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Hydraulics and Fluid Mechanics in ME
The flow of water through the hole in the bottom of a wash basin is an example of

Forced vortex
Uniform flow
Free vortex
Steady flow

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Hydraulics and Fluid Mechanics in ME
An air vessel is provided at the summit in a siphon to

Avoid interruption in the flow
Maintain pressure difference
Increase velocity
Increase discharge

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