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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
More than 2800
None of these
Less than 2000

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

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

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Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Volume
Flow
Shape
Pressure

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Hydraulics and Fluid Mechanics in ME
In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.

Less than
More than
None of these
Equal to

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Hydraulics and Fluid Mechanics in ME
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.

More than
None of these
Less than
Equal to

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Hydraulics and Fluid Mechanics in ME
In a free vortex motion, the radial component of velocity everywhere is

maximum
minimum
zero
non-zero and finite

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