Hydraulics & Fluid Mechanics
True one-dimensional flow occurs when

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
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

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Hydraulics & Fluid Mechanics
Choose the wrong statement

when in equilibrium, fluids can sustain shear forces
fluids conform to the shape of the con-taining vessels
fluids are capable of flowing
when in equilibrium, fluids cannot sustain tangential forces

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Hydraulics & Fluid Mechanics
Fluid is a substance that

cannot remain at rest under action of any shear force
cannot be subjected to shear forces
always expands until it fills any container
has the same shear stress.at a point regardless of its motion

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