Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 3.97 1 600 0.24 3.97 1 600 0.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum Number of plates required will be maximum 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. Relative humidity None of these Partial pressure of water vapor Wet bulb temperature Relative humidity None of these Partial pressure of water vapor Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Wet bulb temperature decreases Both B and C Relative humidity increases Relative humidity decreases Wet bulb temperature decreases Both B and C Relative humidity increases Relative humidity decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Equal to the heat of wetting Zero Called integral heat of adsorption Equal to the heat of formation of surface compound Equal to the heat of wetting Zero Called integral heat of adsorption Equal to the heat of formation of surface compound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are Straight Parallel Neither A nor B Both A & B Straight Parallel Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
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