Mechanical Operations
Paddle agitator

None of these
Is suitable for mixing low viscosity liquids
Moves at very high speed
Produces axial flow

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Mechanical Operations
Cumulative analysis for determining surface is more precise than differential analysis, because of the

Assumption that all particles in a single fraction are equal in size, is not needed
Assumption that all particles in a single fraction are equal in size
Fact that screening is more effective
None of these

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