The reduction ratio for grinders is defined as (where, Df and Dp are a – McqOptions

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1.	The reduction ratio for grinders is defined as (where, Df and Dp are average diameters of feed and product respectively) ?
A.	Df/Dp
B.	Dp/Df
C.	Df – Dp
D.	None of these
Answer» B. Dp/Df

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