Mechanical Operations
Rittinger's crushing law states that

Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product
Work required in crushing is proportional to the new surface created
For a given machine and feed, crushing efficiency is dependent on the size of the feed & product
Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
A filter press is

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

ANSWER DOWNLOAD EXAMIANS APP