Mass Transfer The commonly used solvent in supercritical extraction is Water Carbon dioxide Carbon tetrachloride Methyl ethyl ketone Water Carbon dioxide Carbon tetrachloride Methyl ethyl ketone ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, Use high pressure distillation Use molecular distillation An azeotrope may be formed during distillation Use steam distillation Use high pressure distillation Use molecular distillation An azeotrope may be formed during distillation Use steam distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has None of these Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate None of these Increased utilisation of stagnant zones of the liquid phase Lower capacity of the solvent for the solute gas Lower adsorption rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of Low pressure drop on pumping All of these Rapid absorption rates and good heat transfer characteristics Improved flooding characteristics Low pressure drop on pumping All of these Rapid absorption rates and good heat transfer characteristics Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP
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