Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P0.5 D ∝ 1/P1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Prandtl number Schmidt number Sherwood number Lewis number Prandtl number Schmidt number Sherwood number Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points None of these Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points None of these Driving force for the vapour flow is the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Both A & B Constant rate Neither A nor B Unsaturated surface Both A & B Constant rate Neither A nor B Unsaturated surface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Present in overhead stream Added to alter the relative volatility of the mixture Of high volatility Of high viscosity to give high tray efficiency Present in overhead stream Added to alter the relative volatility of the mixture Of high volatility Of high viscosity to give high tray efficiency ANSWER DOWNLOAD EXAMIANS APP
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