Hydraulics & Fluid Mechanics
For measuring flow by a venturimeter, if should be installed in

inclined line with upward flow
horizontal line
vertical line
in any direction and in any location.

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Hydraulics & Fluid Mechanics
True one-dimensional flow occurs when

the magnitude and direction of the velocity do not change from point to point in the fluid
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 fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane

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Hydraulics & Fluid Mechanics
According to Bernoulli’s equation for steady ideal fluid flow

velocity and pressure are inversely proportional
the energy is constant along a stream-line but may vary across streamlines
principle of conservation of mass holds
total energy is constant throughout

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