Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 10 to 15 8 to 10 15 to 20 3 to 4 10 to 15 8 to 10 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a cyclone of diameter 0.2 m with a tangential velocity of 15 m/s at the wall, the separation factor is 230 1125 2250 460 230 1125 2250 460 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The process opposite to 'dispersion' is termed as the Filtration Sedimentation Flocculation None of these Filtration Sedimentation Flocculation None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Weber number is significant and is concerned with the Liquid-liquid mixing Suspension of solid in liquid Dispersion of liquid in liquid Solid-liquid mixing Liquid-liquid mixing Suspension of solid in liquid Dispersion of liquid in liquid Solid-liquid mixing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D M ∝ D² M ∝ D³ M ∝ √D M ∝ D M ∝ D² M ∝ D³ M ∝ √D ANSWER DOWNLOAD EXAMIANS APP
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