Fluid Mechanics
Cavitation in a centrifugal pump results from

High discharge rate
High discharge velocity
Low barometric pressure
High discharge pressure

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Fluid Mechanics
The Prandtl mixing length is

Independent of radial distance from the pipe axis
Zero at the pipe wall and is a universal constant
Useful for computing laminar flow problems
Independent of the shear stress

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Fluid Mechanics
The continuity equation

Stipulates that Newton's second law of motion must be satisfied at every point in the fluid
Relates mass flow rate along a stream tube
Relates work and energy
None of these

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