Mass Transfer Deairation (removal of O₂) of water is done by Absorption Ion-exchange Adsorption Rectification Absorption Ion-exchange Adsorption Rectification ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has None of these Lower adsorption rate Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase None of these Lower adsorption rate Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of 1.5 -1.5 0.6 -0.6 1.5 -1.5 0.6 -0.6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Size Porosity Durability Cost Size Porosity Durability Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher dew point Higher relative humidity Higher absolute (specific) humidity Higher wet bulb temperature Higher dew point Higher relative humidity Higher absolute (specific) humidity Higher wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
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