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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The atmospheric pressure at sea level is

103 kN/m2
10.3 m of water
All of these
760 mm of mercury

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Hydraulics and Fluid Mechanics in ME
The maximum discharge over a broad crested weir is

0.384 Cd × L × H1/2
0.384 Cd × L × H3/2
1.71 Cd × L × H1/2
1.71 Cd × L × H3/2

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/4 to 1/3
1/3 to 1/2
1/8 to 1/4
1/16 to 1/8

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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
surface friction
All of these
viscosity

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Hydraulics and Fluid Mechanics in ME
The intensity of pressure at any point, in a liquid, is __________ to the depth of liquid from the surface.

Equal
Inversely proportional
Directly proportional
None of these

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, if the jet after contraction does not touch the sides of the mouthpiece, then the mouthpiece is said to be

Partially running free
Partially running full
Running full
Running free

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