Fluid Mechanics
Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics.

Piston
Sump
Gear
Positive displacement

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Fluid Mechanics
Vane anemometer

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

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