The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively).
A. $$\frac{{{{\text{D}}_{\text{f}}}}}{{{{\text{D}}_{\text{p}}}}}$$
B. $$\frac{{{{\text{D}}_{\text{p}}}}}{{{{\text{D}}_{\text{f}}}}}$$
C. Df - Dp
D. None of these
Answer: Option A
This Question Belongs to Chemical Engineering >> Mechanical Operations
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