Fluid Mechanics
Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

Electrical resistivity
Electrical conductivity
Thermal conductivity
Specific gravity

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Fluid Mechanics
Vane anemometer

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

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