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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of mass density in kg-sec-V-m⁴ for water at 0°C is

100.9
1
101.9
1000

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Hydraulics and Fluid Mechanics in ME
Euler’s dimensionless number relates the following

pressure force and inertial force
inertial force and gravity
viscous force and buoyancy force
viscous force and inertial force

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Hydraulics and Fluid Mechanics in ME
Poise is the unit of

shear stress in fluids
surface tension
viscosity
capillarity

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Hydraulics and Fluid Mechanics in ME
Piezometer is used to measure

Difference of pressure between two points
Atmospheric pressure
Very low pressures
Pressure in pipe, channels etc

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

0.384 Cd × L × H3/2
1.71 Cd × L × H1/2
1.71 Cd × L × H3/2
0.384 Cd × L × H1/2

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.62
0.84
0.97
0.76

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