Mechanical Operations Gold ore concentration is mostly done using Froth floatation Elutriation Jigging Tabling Froth floatation Elutriation Jigging Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Limestone is normally crushed in a Tube mill Roll crusher Ball mill Hammer crusher Tube mill Roll crusher Ball mill Hammer crusher 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. Fine Secondary Primary Ultrafine Fine Secondary Primary Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Apron conveyors are used for None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs None of these Small loads & long runs Heavy loads & short runs Heavy loads & long runs ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 1.84 0.00184 0.184 0.0184 1.84 0.00184 0.184 0.0184 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
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