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

Specific gravity
Electrical conductivity
Electrical resistivity
Thermal conductivity

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Fluid Mechanics
Steady flow occurs, when the

Conditions do not change with time at any point
Rate of the velocity change is constant
Conditions change steadily with time
Conditions are the same at the adjacent points at any instant

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