Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Dispersion Centrifugation Sedimentation Flocculation Dispersion Centrifugation Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 2 to 3.5 0.01 to 0.1 4 to 5 0.5 to 1.5 2 to 3.5 0.01 to 0.1 4 to 5 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 1 4.34 1.34 0.5 1 4.34 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Bulk density Lump size Both A & B Neither A nor B Bulk density Lump size Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dry powdery solid materials are transported by a __________ conveyor. Bucket Screw None of these Belt Bucket Screw None of these Belt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/Dp Dp D²p 1/D²p 1/Dp Dp D²p 1/D²p ANSWER DOWNLOAD EXAMIANS APP
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