Solved QUESTION FOUR (a) What is the power required to crush …
Question: QUESTION FOUR (a) What is the power required to crush 100 tons/hr of limestone if 80% of the feed passes 2" screen and 80% of the product passes 1/8" screen? The work Index for limestone may be taken as 12.74 kWh/short ton. 5 Points (b) If a ball mill requires 3 kWh per ton of feed to reduce a feed of 1600 micron size to a product of 400 …