Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases Increases linearly Decreases Is not affected Increases Increases linearly Decreases Is not affected 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 Separated from the cake by dissolving solids or by burning it off All of these Precoated on the filter medium prior to filtration Added to the feed slurry Separated from the cake by dissolving solids or by burning it off All of these Precoated on the filter medium prior to filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for compressible sludges is a function of the pressure drop Over cake Overall None of these Over medium Over cake Overall None of these Over medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Decreases May increase or decrease ; depends on the material being ground Remains constant Increases Decreases May increase or decrease ; depends on the material being ground Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by Compression and tearing Compression Cutting action Impact and attrition Compression and tearing Compression Cutting action Impact and attrition ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen capacity is proportional to (where, S = screen aperture) 1/S S √S S² 1/S S √S S² ANSWER DOWNLOAD EXAMIANS APP