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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Hydrometer is used to determine

specific gravity of liquids
specific gravity of gases
specific gravity of solids
relative humidity

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Hydraulics and Fluid Mechanics in ME
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)

3flv²/2gd
flv²/2gd
flv²/gd
4flv²/2gd

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

100
101.9
1000
1

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Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a physical property of the fluid.
independent of the flow
a function of temperature only
dependent on the flow

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Hydraulics and Fluid Mechanics in ME
When a cylindrical vessel containing liquid is resolved, the surface of the liquid takes the shape of

A triangle
An ellipse
A paraboloid
None of these

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Hydraulics and Fluid Mechanics in ME
The ratio of absolute viscosity to mass density is known as

viscosity index
specific viscosity
kinematic viscosity
coefficient of viscosity

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