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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. [Correct Answer] |
B. | energy needed to crush one tonne of feed to 200 microns. [Wrong Answer] |
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. [Wrong Answer] |
D. | energy needed to crush one ton of feed to 100 microns. [Wrong Answer] |