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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

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

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Hydraulics and Fluid Mechanics in ME
The discharge over a triangular notch is

Inversely proportional to H5/2
Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H5/2

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Hydraulics and Fluid Mechanics in ME
A structure used to dam up a stream or river over which the water flows is called

Notch
Weir
Dam
Orifice

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Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Volumetric index
Volumetric strain
Compressibility
Adhesion

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Hydraulics and Fluid Mechanics in ME
The most efficient section of a channel is

Rectangular
Square
Triangular
Trapezoidal

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Hydraulics and Fluid Mechanics in ME
A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.

None of these
Equal to
Less than
More than

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