SIZE REDUCTION AND SIEVE ANALYSIS

$($EXPERIMENT NUMBER: $5)$

Attention: Answers have to be prepared in your personal original handwriting.

It is desired to reduce the size of coal, which has a feed rate of $100$ ton $\frac{?}{h},$ from a feed size of $80\%$ less than $10cm$ to a product size of $80\%$ less than $3mm.$

a$)$ Calculate the power required for size reduction with the Bond equation.

b$)$ Calculate the power required for $80\%$ of the product to be less than $1000m.$