Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T² T T⁴ √T T² T T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Gas side Liquid side Interfacial Both liquid and gas side Gas side Liquid side Interfacial Both liquid and gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, None of these Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs None of these Rate of drying decreases abruptly Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For contacting a highly soluble gas with a liquid Bubble the gas through liquid Both of the options given here None of the listed here Spray the liquid on gas stream Bubble the gas through liquid Both of the options given here None of the listed here Spray the liquid on gas stream ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The process employing desorption of the absorbed solute by a solvent is called Osmosis Elution Reverse osmosis Sublimation Osmosis Elution Reverse osmosis Sublimation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column Bubble plate column Packed column (with dumped packing) Packed column (with stacked packing) Pulse column ANSWER DOWNLOAD EXAMIANS APP