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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

None of these
Same as
More than
Less than

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Hydraulics and Fluid Mechanics in ME
The value of mass density in kgsecVm4 for water at 0°C is

100
1000
1
101.9

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Hydraulics and Fluid Mechanics in ME
The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece)

1.585 a.√(2gH)
0.855 a.√(2gH)
1.855 aH.√(2g)
5.85 aH.√(2g)

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Hydraulics and Fluid Mechanics in ME
The type of centrifugal pump preferred for a specific speed of 20 r.p.m. is

Medium speed pump with radial flow at outlet
High speed pump with axial flow at outlet
High speed pump with radial flow at outlet
Slow speed pump with radial flow at outlet

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Hydraulics and Fluid Mechanics in ME
The shear stress between the two liquid layers is __________ proportional to the distance between two layers.

Both A and B
Inversely
Directly
None of these

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Hydraulics and Fluid Mechanics in ME
The flow in a pipe is neither laminar nor turbulent when Reynold number is

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

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