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Chemical Engineering - Mechanical Operations - Discussion

Discussion Forum : Mechanical Operations - Section 9 (Q.No. 54)
Mechanical Operations
54.
Work index is defined as the
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.
energy needed to crush one tonne of feed to 200 microns.
energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen.
energy needed to crush one ton of feed to 100 microns.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Nilson said:   6 years ago
The Work Index always means the equivalent amount of energy to reduce one ton of the ore from a very large size to 100 um.
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