Solved 26 a) Write down the working principle of Roll ...
Chemical Engineering questions and answers. 26 a) Write down the working principle of Roll crusher with a neat sketch. b) What rotational speed (rpm) would you recommend for a ball mill of 1500mm dia charge with 75mm balls? (Non-anonymous questiono) * (5 Points) Question: 26 a) Write down the working principle of Roll crusher with a neat sketch.