Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? 1 0.5 ∞ 1 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Both A & B Lump size Bulk density Neither A nor B Both A & B Lump size Bulk density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Both B and C Same field of force Same fluid Different fluids Both B and C Same field of force Same fluid Different fluids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. 70 35 50 85 70 35 50 85 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Vermiculite Semi-plastic clay Fuller's earth Diatomaceous earth Vermiculite Semi-plastic clay Fuller's earth Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.6 0.5 0.9 0.78 0.6 0.5 0.9 0.78 ANSWER DOWNLOAD EXAMIANS APP
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