Mass Transfer Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes? Packed towers Wetted wall columns Spray towers Plate towers Packed towers Wetted wall columns Spray towers Plate towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is < 1 0.5 1 > 1 < 1 0.5 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Using higher reflux ratio Increasing the liquid flow rate Use of increased tray spacing Increasing the vapour flow rate Using higher reflux ratio Increasing the liquid flow rate Use of increased tray spacing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate) Increase 'G' and decrease 'S' Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' Increase 'G' and decrease 'S' Increase both 'G' and 'S' Decrease both 'G' and 'S' Increase 'S' and decrease 'G' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Thermal energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Thermal energy of the molecules Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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