Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ 1/P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Physical absorption is Accompanied by evolution of heat An irreversible phenomenon A reversible phenomenon Both B & C Accompanied by evolution of heat An irreversible phenomenon A reversible phenomenon Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S > 1 S < 1 S = ∞ S = 1 S > 1 S < 1 S = ∞ S = 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of actual plates to ideal plates The ratio of number of ideal plates to actual plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T T⁴ √T T² T T⁴ √T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Thermal diffusivity Mass transfer co-efficient Volumetric diffusivity Kinematic viscosity Thermal diffusivity Mass transfer co-efficient Volumetric diffusivity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
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