Fluid Mechanics
Vane anemometer

Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed
Is an area meter
Is a variable head meter
None of these

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Fluid Mechanics
The continuity equation

Relates work and energy
None of these
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

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