Mechanical Operations Mesh indicates the number of holes per Linear inch Linear foot Square foot Square inch Linear inch Linear foot Square foot Square inch ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Speed of the centrifuge Narrow diameter of the vessel Formation of highly porous cake Centrifugal pressure exerted by the liquid Speed of the centrifuge Narrow diameter of the vessel Formation of highly porous cake 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 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 Precoated on the filter medium prior to filtration ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocal of sphericity is termed as the Specific surface ratio Shape factor Surface area per unit mass Sauter diameter Specific surface ratio Shape factor Surface area per unit mass Sauter diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier Classifier Neither A nor B Both A & B Cyclone separator between mill & classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Increases Remains unchanged Decreases exponentially Decreases Increases Remains unchanged Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
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