Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Decreases exponentially Remains unchanged Increases Decreases Decreases exponentially Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 45° 60° 15° 30° 45° 60° 15° 30° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity stamp mill is meant for the __________ crushing. Primary Ultrafine Intermediate Fine Primary Ultrafine Intermediate Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 12/D.p 6/D.p 4/D.p 2/D.p 12/D.p 6/D.p 4/D.p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Increases capacity Requires more energy Gives less wear on chamber walls Complicates handling of the product Increases capacity Requires more energy Gives less wear on chamber walls 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 Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off Added to the feed slurry All of these Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off Added to the feed slurry All of these ANSWER DOWNLOAD EXAMIANS APP
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