Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 99 91.5 90 95 99 91.5 90 95 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 2 to 2.5 1.25 to 2 2.5 to 3 5 to 10 2 to 2.5 1.25 to 2 2.5 to 3 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Viscosity with concentration Degree of ideality of the solution Both A & B Neither A nor B Viscosity with concentration Degree of ideality of the solution Both A & B Neither A nor B 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 ? Interfacial Liquid side Both liquid and gas side Gas side Interfacial Liquid side Both liquid and gas side Gas side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe In dumped packing of regular units At very high liquid flow rate In towers packed with stacked packing In towers packed randomly with crushed solids In dumped packing of regular units At very high liquid flow rate In towers packed with stacked packing In towers packed randomly with crushed solids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Hydrochloric acid Alkalis Sulphuric acid Nitric acid Hydrochloric acid Alkalis Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP