Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Dependent on the Reynolds number D/a D/2a Proportional to √D Dependent on the Reynolds number D/a D/2a Proportional to √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Psychrometric ratio Lewis number Stantan number Sherwood number Psychrometric ratio Lewis number Stantan number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Both A & B Neither A nor B Gas Liquid Both A & B Neither A nor B Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is used in gas absorption process. Wetted wall Packed Seive/perforated tray Bubble cap Wetted wall Packed Seive/perforated tray Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat Both B & C A reversible phenomenon An irreversible phenomenon Accompanied by evolution of heat ANSWER DOWNLOAD EXAMIANS APP