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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

frictional force
viscosity
surface friction
All of these

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Hydraulics and Fluid Mechanics in ME
The highest efficiency is obtained with a channel of __________ section.

Square
Rectangular
Trapezoidal
Circular

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Hydraulics and Fluid Mechanics in ME
If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in

Neutral equilibrium
Stable equilibrium
None of these
Unstable equilibrium

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Hydraulics and Fluid Mechanics in ME
The specific gravity of an oil whose specific weight is 7.85 kN/m3, is

1.6
1.2
1
0.8

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

0.76
0.84
0.62
0.97

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

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

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