Mechanical Operations
Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a

Batch basket centrifuge
Sparkler filter
Sharpies supercentrifuge
Disc bowl centrifuge

ANSWER DOWNLOAD EXAMIANS APP

Mechanical Operations
In case of a hammer crusher,

Reduction ratio can be varied by adjusting the distance from cage to hammers
All of these
Maximum acceptable feed size is 30 cms
Crushing takes place by impact breaking

ANSWER DOWNLOAD EXAMIANS APP