Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer. Rotary Vacuum Tray Tunnel Rotary Vacuum Tray Tunnel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desulphurisation of petrol is done in a Plate type extraction column Rotating disc extractor Bollman extractor Packed extraction column Plate type extraction column Rotating disc extractor Bollman extractor Packed extraction column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate None of these Surface evaporation of unbound moisture occurs Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene ANSWER DOWNLOAD EXAMIANS APP
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