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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

Between 2000 and 2800
None of these
More than 2800
Less than 2000

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

Same as
Less than
None of these
More than

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Hydraulics and Fluid Mechanics in ME
The volume of a fluid __________ as the pressure increases.

Decreases
None of these
Remains same
Increases

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Hydraulics and Fluid Mechanics in ME
Pressure intensifier increases the pressure in proportion to

Square of ratio of diameters
Inverse ratio of diameters
Square of inverse ratio of diameters
Ratio of diameters

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Hydraulics and Fluid Mechanics in ME
A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?

0.5
0.5
0.4
0.515

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Hydraulics and Fluid Mechanics in ME
A manometer is used to measure

Pressure in Venturimeter
Pressure in pipes and channels
Atmospheric pressure
Difference of pressures between two points in a pipe

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