Mass Transfer Steady state equimolal counter diffusion is encountered in All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water All of these All liquid-liquid diffusion systems Separation of a binary mixture by distillation Absorption of NH₃ from air by water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T1.5 T T3 √T T1.5 T T3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux Constant relative volatility All of these Constant molal overflow Total reflux Constant relative volatility All of these Constant molal overflow 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? None of these Cooling and dehumidification Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature None of these Cooling and dehumidification Dehumidification with dry bulb temperature remaining constant Heating and dehumidification at almost constant wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Rapid absorption rates Low pumping pressure drop Better flow characteristics All of these Rapid absorption rates Low pumping pressure drop Better flow characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration Both A & B Degree of ideality of the solution Neither A nor B Viscosity with concentration ANSWER DOWNLOAD EXAMIANS APP
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