Mass Transfer Danckwerts developed the __________ theory. Penetration Film Surface renewal None of these Penetration Film Surface renewal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Interfacial area Physical properties Degree of turbulence Chemical properties Interfacial area Physical properties Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 200-300 22190 43835 > 500 200-300 22190 43835 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Partial pressure of water vapor None of these Wet bulb temperature Relative humidity Partial pressure of water vapor None of these Wet bulb temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Remains unaffected And the heat required in reboiler decreases Increases Decreases Remains unaffected And the heat required in reboiler decreases Increases Decreases 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 Both liquid and gas side Interfacial Liquid side Gas side Both liquid and gas side Interfacial Liquid side ANSWER DOWNLOAD EXAMIANS APP
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