Mechanical Operations During filtration operation, the filtrate encounters the resistance of the Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium Filter medium All of these Cake Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium Filter medium All of these Cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S V/D.S 6.V/D.S S/V V/6D.S V/D.S 6.V/D.S S/V 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. 4.34 0.5 1 1.34 4.34 0.5 1 1.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Narrow diameter of the vessel Formation of highly porous cake Centrifugal pressure exerted by the liquid Speed of the centrifuge Narrow diameter of the vessel Formation of highly porous cake Centrifugal pressure exerted by the liquid Speed of the centrifuge 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 Energy needed to crush one ton of feed to 100 microns 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 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 Energy needed to crush one ton of feed to 100 microns 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 tonne of feed to 200 microns ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume. 10 50 75 25 10 50 75 25 ANSWER DOWNLOAD EXAMIANS APP
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