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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Mechanical Operations
A filter press is

Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure
A batch filter
Not suitable, if the liquid is the main product
Having prohibitively high maintenance cost

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