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Hydraulics and Fluid Mechanics in ME

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

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

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the pressure varies

Square of fan speed
Square root of fan speed
Cube of fan speed
Directly as fan speed

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

One
Two
Three
Four

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

More than
Equal to
None of these
Less than

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

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

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Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

None of these
Less than
Same as
More than

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