Mechanical Operations
The most suitable equipment for the transportation of 200 mesh size particles is a

Screw conveyor
Belt conveyor
Pneumatic conveyor
Bucket elevator

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Mechanical Operations
Bond crushing law

States that the work required for the crushing is proportional to the new surface created
Calls for relatively less energy for the smaller product particles, than does the Rittinger 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
Is less realistic in estimating the power requirements of commercial crushers

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