Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Decoction Percolation Elutriation or elution None of these Decoction Percolation Elutriation or elution None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant relative volatility Constant molal overflow Total reflux All of these Constant relative volatility Constant molal overflow Total reflux All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following remains constant during sensible cooling process ? Specific humidity & Partial pressure of vapour None of the listed here Specific humidity Partial pressure of vapour Specific humidity & Partial pressure of vapour None of the listed here Specific humidity Partial pressure of vapour ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Total pressure is less Saturated steam is used for steam distillation Temperature is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Total pressure is less Saturated steam is used for steam distillation Temperature is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 'ADDUCTS' and 'CLATHRATES' are used in case of Crystallisation Extractive distillation None of these Absorption Crystallisation Extractive distillation None of these Absorption ANSWER DOWNLOAD EXAMIANS APP
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