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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

surface friction
viscosity
frictional force
All of these

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.97
0.76
0.84
0.62

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Hydraulics and Fluid Mechanics in ME
The angle of taper on draft tube is

Greater than 8°
Greater than 15°
Less than 8°
Greater than 5°

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Hydraulics and Fluid Mechanics in ME
The hydraulic grade line is

always above the centre line of pipe
never above the energy grade line
All of these
always sloping downward in the direction of flow

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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.

Five to six times
Double
Three to four times
Equal to

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Hydraulics and Fluid Mechanics in ME
In a centrifugal pump, the liquid enters the pump

At the bottom
At the top
From sides
At the canter

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