Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D 1/D2.5 D2.5 D 1/D 1/D2.5 D2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloidal mills are used for __________ grinding. Fine Intermediate Ultrafine Coarse Fine Intermediate Ultrafine Coarse ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Middling Tailing Concentrate None of these Middling Tailing Concentrate None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Electrical energy consumed by a jaw crusher is not a function of the Machine capacity None of these Average product size Average feed size Machine capacity None of these Average product size Average feed size 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. Fine Secondary Ultrafine Primary Fine Secondary Ultrafine Primary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, both the rolls Are rotated towards each other All of these Have the same diameter Run either at the same or different speeds Are rotated towards each other All of these Have the same diameter Run either at the same or different speeds ANSWER DOWNLOAD EXAMIANS APP
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