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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The hydraulic mean depth for a circular pipe of diameter (d) is

d/2
d/6
d/4
d

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Engler
Red wood
Orsat
Say bolt

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Hydraulics and Fluid Mechanics in ME
The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

None of these
Equal to
More than
Less than

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Hydraulics and Fluid Mechanics in ME
The magnitude of water hammer depends upon the

Elastic properties of the pipe material
Speed at which the valve is closed
Elastic properties of the liquid flowing through the pipe
All of these

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

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

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Hydraulics and Fluid Mechanics in ME
A streamline is defined as the line

along which the pressure drop is uniform
of equal yelocity in a flow
parallel to outer surface of pipe
parallel to central axis flow

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