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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Roynolds number is

between 2000 and 4000
less than 2000
more than 4000
less than 4000

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Hydraulics and Fluid Mechanics in ME
The velocity corresponding to Reynold number of 2000 is called

Lower critical velocity
Sub-sonic velocity
Higher critical velocity
Super-sonic velocity

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Hydraulics and Fluid Mechanics in ME
The Thomson's turbine is _________ reaction turbine.

An axial flow
A mixed flow
An outward flow
An inward flow

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Hydraulics and Fluid Mechanics in ME
The velocity corresponding to Reynold number of 2800, is called

Higher critical velocity
Lower critical velocity
Sub-sonic velocity
Super-sonic velocity

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Hydraulics and Fluid Mechanics in ME
The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

Equal to
Five to six times
Double
Three to four times

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Hydraulics and Fluid Mechanics in ME
The Newton's law of resistance is based on the assumption that the

Fluid particles do not exert any influence on one another
Space around the body is completely filled with the fluid
Planes of the body are completely smooth
All of these

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