Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T0.5 D ∝ T1.5 D ∝ T D ∝ T2 D ∝ T0.5 D ∝ T1.5 D ∝ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) P 1/√P √P 1/P P 1/√P √P 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The vapour pressure exerted by the moisture contained in a wet solid depends upon the Nature of the solid Temperature Nature of the moisture All of these Nature of the solid Temperature Nature of the moisture All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. Flash Molecular Azeotropic Extractive Flash Molecular Azeotropic Extractive ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column None of these Reboiler itself contains one plate Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Vapour is recycled to the column None of these Reboiler itself contains one plate ANSWER DOWNLOAD EXAMIANS APP
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