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. Primary Secondary Ultrafine Fine Primary Secondary Ultrafine Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials. Bucket Belt Apron Screw Bucket Belt Apron Screw ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Inch Cm Cm² Inch² Inch Cm Cm² Inch² ANSWER DOWNLOAD EXAMIANS APP
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 Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its Easier grindability Poor grindability High power consumption in grinding None of these Easier grindability Poor grindability High power consumption in grinding None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The main size reduction operation in ultrafine grinders is Cutting Impact Attrition Compression Cutting Impact Attrition Compression ANSWER DOWNLOAD EXAMIANS APP