Mechanical Operations
Tube mill compared to ball mill

Produces finer products
All of these
Is long in comparison with its diameter
Uses smaller balls

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

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