Mechanical Operations
In case of a revolving mill, wet grinding compared to dry grinding

None of these
Has less capacity
Requires more energy
Complicates handling & classification of the product

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Mechanical Operations
During agitation of liquids, the

Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller
Froude number is independent for the curves between power number and Reynolds number in baffled system
All of these
Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number

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