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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

a physical property of the fluid.
a function of temperature only
dependent on the flow
independent of the flow

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Hydraulics and Fluid Mechanics in ME
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.

Plus
Minus
Divide
None of these

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Hydraulics and Fluid Mechanics in ME
A one dimensional flow is one which

involves zero transverse component of flow
takes place in straight lines
is uniform flow
is steady uniform flow

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Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.003 + (H/0.405)
0.405 + (H/0.003)
0.405 + (0.003/H)
0.003 + (0.405/H)

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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
0.8
1.2
1

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Hydraulics and Fluid Mechanics in ME
A Piezometer tube is used only for measuring

Vacuum pressure
Low pressure
Moderate pressure
High pressure

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