Exercise 4. 200 tons of ore per hour is fed to a jaw ...
Mechanical Engineering. Mechanical Engineering questions and answers. Exercise 4. 200 tons of ore per hour is fed to a jaw crusher circuit which is operated in a closed circuit with a screen. In the ore fed to the screen with a 90% screening efficiency the oversize ratio is 40% and the amount of the undersize ratio in the crushed ore is 90%.