Mechanical Operations Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the Stamp mill Cage mill Blake jaw crusher Bradford's breaker Stamp mill Cage mill Blake jaw crusher Bradford's breaker ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Percentage of drum submerged in the slurry in case of rotary drum filter is 30 3 85 25 30 3 85 25 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 Separated from the cake by dissolving solids or by burning it off Added to the feed slurry Precoated on the filter medium prior to filtration All of these Separated from the cake by dissolving solids or by burning it off Added to the feed slurry Precoated on the filter medium prior to filtration All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filtrate flow rate in constant pressure filtration Remains constant throughout Continuously increases May increase or decrease ; depends on the pressure Continuously decreases Remains constant throughout Continuously increases May increase or decrease ; depends on the pressure Continuously decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh seive size corresponds to __________ microns. 154 200 24 74 154 200 24 74 ANSWER DOWNLOAD EXAMIANS APP
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