Fluid Mechanics
In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is

Constant along a streamline
Not constant along a streamline
Increased in the direction of flow
None of these

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Fluid Mechanics
Turbine impeller

Is effective over wide range of viscosities
Does not produce tangential current
Produces only radial current
Produces only tangential current

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