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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The body will float if the force of buoyancy is ___ the weight of the liquid displaced.

Equal to
Less than
None of the listed here
More than

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2g) × H5/2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)

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Hydraulics and Fluid Mechanics in ME
The sheet of water flowing over a notch or a weir is known as

Orifice
Sill or crest
None of these
Nappe or vein

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Hydraulics and Fluid Mechanics in ME
One liter of water occupies a volume of

250 cm3
500 cm3
1000 cm3
100 cm3

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Hydraulics and Fluid Mechanics in ME
The losses are more in

critical flow
laminar flow
turbulent flow
transition flow

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Hydraulics and Fluid Mechanics in ME
For pipes, laminar flow occurs when Reynolds number is

Between 2000 and 4000
More than 4000
Less than 2000
Less than 4000

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