MINERAL PROCESSING LABORATORY MANUAL VSSUT. Crushing of Ore in the Jaw Crusher, and Determination of Crushing of Ore in a roll crusher, and Determination of average size by sieving 1618 7 To determine the reduction ratio, theoretical capacity, and actual capacity of a roll crusher 1921 8 To study the effect of grinding with grinding time in Ball mill 2225 9 To study the effect of grinding with ...