Mass Transfer In case of absorption, both the operating and equilibrium lines will be straight for Isothermal operation None of these Dilute solutions and isothermal operation Dilute solutions Isothermal operation None of these Dilute solutions and isothermal operation Dilute solutions ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If moisture content of solid on dry basis is X, then the same on wet basis is X/(X - 1) X/(X + 1) (X - 1)/X (X + 1)/X X/(X - 1) X/(X + 1) (X - 1)/X (X + 1)/X ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon An irreversible phenomenon Characterised by adsorption of heat Same as "Van der Waals" adsorption A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as T and T3/2 √T and T3/2 T3/2 and √T T3/2 and T T and T3/2 √T and T3/2 T3/2 and √T T3/2 and T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T T³ √T T² T T³ √T T² ANSWER DOWNLOAD EXAMIANS APP