Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Specific gravities Wettability Shape None of these Specific gravities Wettability Shape None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process by which fine solids is removed from liquids is termed as Classification Flocculation Sedimentation Decantation Classification Flocculation Sedimentation Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Compartment mill Rod mill Pebble mill Tube mill Compartment mill Rod mill Pebble mill Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1 1.34 4.34 0.5 1 1.34 4.34 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 20-40 43961 44124 As high as 100 20-40 43961 44124 As high as 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Thickness Cyclones Filters Sorting classifier Thickness Cyclones Filters Sorting classifier ANSWER DOWNLOAD EXAMIANS APP