Mechanical Operations The energy consumed by a ball mill depends on All of these Its speed Its ball load The density of the material being ground All of these Its speed Its ball load The density of the material being ground 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. 1.34 0.5 4.34 1 1.34 0.5 4.34 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Calcium silicate Diatomaceous earth Silica gel Sodium carbonate Calcium silicate Diatomaceous earth Silica gel Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Colloid mills achieve size reduction mainly by Attrition Cutting Compression Impact Attrition Cutting Compression Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The crushed material received for separation is called feed or Middling Heading Concentrate Tailing Middling Heading Concentrate Tailing ANSWER DOWNLOAD EXAMIANS APP
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