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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The ratio of the inertia force to the viscous force is called

Froude's number
Euler's number
Reynold's number
Weber's number

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Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Meters² per sec
kg-sec/meter
Newton-sec per meter
Newton-sec per meter²

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Hydraulics and Fluid Mechanics in ME
A weir is said to be broad 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
More than
Less than

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Hydraulics and Fluid Mechanics in ME
Gradually varied flow is

steady non-uniform
steady uniform
non-steady uniform
non-steady non-uniform

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Hydraulics and Fluid Mechanics in ME
The specific speed (Ns) of a centrifugal pump is given by

(N√Q)/H3/4
(N√Q)/H5/4
(N√Q)/H2/3
(N√Q)/H

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Hydraulics and Fluid Mechanics in ME
Euler's equation in the differential form for the motion of liquids is given by

dp/ρ - g.dz + v.dv = 0
dp/ρ + g.dz + v.dv = 0
ρ.dp - g.dz + v.dv = 0
ρ.dp + g.dz + v.dv = 0

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