Mechanical Operations
As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms )

√LS
LS
93 LS
250 LS

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

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