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 wet bulb temperature Higher absolute (specific) humidity Higher dew point Higher relative humidity Higher wet bulb temperature Higher absolute (specific) humidity Higher dew point Higher relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Increased utilisation of stagnant zones of the liquid phase None of these Lower capacity of the solvent for the solute gas Lower adsorption rate Increased utilisation of stagnant zones of the liquid phase None of these Lower capacity of the solvent for the solute gas Lower adsorption rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Reduce liquid hold up Minimise the overall pressure drop Avoid flooding Avoid channeling Reduce liquid hold up Minimise the overall pressure drop Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called None of these Percolation Decoction Elutriation or elution None of these Percolation Decoction Elutriation or elution ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Lowering the total pressure Neither A nor B Both A & B Raising the temperature Lowering the total pressure Neither A nor B Both A & B Raising the temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as Re0.53 Re0.33 Re Re0.83 Re0.53 Re0.33 Re Re0.83 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS