Question: I need the answer as soon as possible Q.2. Calculate the operating speed of the ball mill which has diameter of 800 mm and diameter

I need the answer as soon as possible

Q.2. Calculate the operating speed of the ball mill which has diameter of 800 mm and diameter of ball is 60 mm? If (a) Operating speed is 55% less than critical speed. (b) Critical speed is 40% more than operating speed. 3 marks

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