Mechanical Operations
Paddle agitator

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

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Mechanical Operations
Bond crushing law

States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product
Calls for relatively less energy for the smaller product particles, than does the Rittinger law
Is less realistic in estimating the power requirements of commercial crushers
States that the work required for the crushing is proportional to the new surface created

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