Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Results from very low gas velocity Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration Reduces the overall pressure drop Results from very low gas velocity Is characterised by the presence of foam throughout the space between trays Is desirable from point efficiency consideration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The caking of crystals can be prevented by Coating the product with inert material Maintaining high critical humidity Maintaining low critical humidity Both A and C Coating the product with inert material Maintaining high critical humidity Maintaining low critical humidity Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Remain unchanged Depends on the extent of heating Increases Decreases Remain unchanged Depends on the extent of heating Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the None of these Liquid film Liquid-gas interface Gas film None of these Liquid film Liquid-gas interface Gas film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 4 3 1 2 4 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
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