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 0.5 Wi 3.34 Wi 1.34 Wi Wi 0.5 Wi 3.34 Wi 1.34 Wi Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Fine Primary Secondary Ultrafine Fine Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Shaking screen Trommel Grizzly Vibrating screen Shaking screen Trommel Grizzly Vibrating screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Uses smaller balls All of these Is long in comparison with its diameter Produces finer products Uses smaller balls All of these Is long in comparison with its diameter Produces finer products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Ultrafine Fine Primary Secondary Ultrafine Fine Primary Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Bond's crushing law Kick's law None of these Rittinger's law Bond's crushing law Kick's law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
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