

MCQOPTIONS
Saved Bookmarks
1. |
Work index is defined as the_________________? |
A. | Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen |
B. | Energy needed to crush one tonne of feed to 200 microns |
C. | Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen |
D. | Energy needed to crush one ton of feed to 100 microns |
Answer» B. Energy needed to crush one tonne of feed to 200 microns | |