Mechanical Operations In case of a ball mill, Operating speed should be more than the critical speed Fine feed requires a larger ball Coarse feed requires a larger ball None of these Operating speed should be more than the critical speed Fine feed requires a larger ball Coarse feed requires a larger ball None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a hammer crusher, the final product size depends on the Rotor speed Clearance between hammer & grinding plates All of these Feed rate Rotor speed Clearance between hammer & grinding plates All of these Feed rate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Dispersion Sorting Clarification Sizing Dispersion Sorting Clarification Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Impact Cutting Compression Attrition Impact Cutting Compression Attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Abrasion index Angle of repose Shatter index HGI Abrasion index Angle of repose Shatter index HGI ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Added to the feed slurry All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration Added to the feed slurry All of these Separated from the cake by dissolving solids or by burning it off Precoated on the filter medium prior to filtration ANSWER DOWNLOAD EXAMIANS APP
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