Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi Wi 0.5 Wi 1.34 Wi 3.34 Wi Wi 0.5 Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Compression Impact Attrition Cutting Compression Impact Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy consumed by a ball mill depends on The density of the material being ground Its speed All of these Its ball load The density of the material being ground Its speed All of these Its ball load ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Both A & B Finer products Enhanced production rate Neither A nor B Both A & B Finer products Enhanced production rate Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Remains unchanged Decreases May increase or decrease; depends on the machine Increases Remains unchanged Decreases May increase or decrease; depends on the machine Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Classification Sorting Flocculation Sizing Classification Sorting Flocculation Sizing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS