Hydraulics & Fluid Mechanics
True one-dimensional flow occurs when

the direction and magnitude of the veiocity at all points are identical
the magnitude and direction of the velocity do not change from point to point in the fluid
the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time

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Hydraulics & Fluid Mechanics
The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is

zero at plates and increases linearly to midpoint
parabolic distribution across the section
zero at the mid plane and varies linearly with distance from mid plane
constant over the cross section

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Hydraulics & Fluid Mechanics
Metacentric height is given as the distance between

the center of gravity of the body andthe meta center
center of buoyancy and metacentre
the center of gravity of the body and the center of pressure
the center of gravity of the body and the center of buoyancy

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