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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

Between 2000 and 2800
None of these
More than 2800
Less than 2000

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Hydraulics and Fluid Mechanics in ME
If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be

Higher than the surface of liquid
The same as the surface of liquid
Unpredictable
Lower than the surface of liquid

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Hydraulics and Fluid Mechanics in ME
A fluid in equilibrium can't sustain

Compressive stress
Bending stress
Shear stress
Tensile stress

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Hydraulics and Fluid Mechanics in ME
The value of the coefficient of compressibility for water at ordinary pressure and temperature in kg/cm is equal to

10000
2700
21000
2100

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

minimum
non-zero and finite
maximum
zero

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