Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/P P 1/√P √P 1/P P 1/√P √P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To remove all the moisture from a wet solid it requires exposure to __________ air. High temperature Highly humid None of these Perfectly dry High temperature Highly humid None of these Perfectly dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 1.25 to 2.0 0.5 to 0.8 2.5 to 3.5 0.8 to 1.2 1.25 to 2.0 0.5 to 0.8 2.5 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Diffusion Bulk flow Neither A nor B Both A & B Diffusion Bulk flow Neither A nor B Both A & B 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 Gas film Liquid film None of these Liquid-gas interface Gas film Liquid film None of these Liquid-gas interface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 9 1 8 10 9 1 8 10 ANSWER DOWNLOAD EXAMIANS APP