Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Propeller agitator Turbine agitator Radial propeller agitator Cone type agitator Propeller agitator Turbine agitator Radial propeller agitator Cone type agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the rate of filtration Decrease the pressure drop Act as a support base for the septum Increase the porosity of the cake Increase the rate of filtration Decrease the pressure drop Act as a support base for the septum Increase the porosity of the cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/μ² 1/μ √μ 1/√μ 1/μ² 1/μ √μ 1/√μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For coarse reduction of hard solids, use Cutting Compression Attrition Impact Cutting Compression Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Driving force in case of filtration by a centrifuge is the Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel Speed of the centrifuge Formation of highly porous cake Centrifugal pressure exerted by the liquid Narrow diameter of the vessel 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 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 ANSWER DOWNLOAD EXAMIANS APP
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