Which method associated with processing involves using physical impact to reduce the size of ore?
A) Sizing
B) Grinding
C) Crushing
D) Filtering

Question

Quizplus · Accepted Answer

A) Incorrect. Sizing involves dividing crushed and ground minerals into different size categories.
B) Incorrect. Grinding uses impact and abrasion to further reduce the size of crushed rock and ore. Grinding can be dry or wet, and can take place in three stages.
C) Correct. Crushing uses physical impact to reduce the size of ore. Crushing is typically a dry operation performed in three stages.
D) Incorrect. Filtering uses a porous medium to separate solids from liquids. In this method, a filter retains solids while allowing liquids to pass through.

Which Method Associated with Processing Involves Using Physical Impact to Reduce