Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D0.5 1/D D D2 D0.5 1/D D 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 ) T³ T² √T T T³ T² √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reciprocal of stripping factor is termed as Selectivity index Absorption factor Murphree efficiency Relative volatility Selectivity index Absorption factor Murphree efficiency Relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility High boiling mixture Heat sensitive materials Constant boiling mixture Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Liquid phase All of these Interface Gas phase Liquid phase All of these Interface Gas phase ANSWER DOWNLOAD EXAMIANS APP
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