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 Liquid-gas interface Liquid film None of these Gas film Liquid-gas interface Liquid film None of these Gas film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Diffusion Both A & B Neither A nor B Heat transfer Diffusion Both A & B Neither A nor B Heat transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 0.01 10-5 to 10-6 > 1 0.1 0.01 10-5 to 10-6 > 1 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 Equal to the heat of formation of surface compound Called integral heat of adsorption Zero Equal to the heat of wetting Equal to the heat of formation of surface compound Called integral heat of adsorption Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is 1.24 0.54 1.04 1.94 1.24 0.54 1.04 1.94 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Sherwood number Prandtl number Lewis number Schmidt number Sherwood number Prandtl number Lewis number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS