Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Called integral heat of adsorption Equal to the heat of wetting Zero Equal to the heat of formation of surface compound Called integral heat of adsorption Equal to the heat of wetting Zero Equal to the heat of formation of surface compound ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For contacting a highly soluble gas with a liquid Both of the options given here Bubble the gas through liquid Spray the liquid on gas stream None of the listed here Both of the options given here Bubble the gas through liquid Spray the liquid on gas stream None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desulphurisation of petrol is done in a Bollman extractor Packed extraction column Plate type extraction column Rotating disc extractor Bollman extractor Packed extraction column Plate type extraction column Rotating disc extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = (1 - Re)/Re Ri = Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) Ri = (1 - Re)/Re Ri = Re Ri = Re/(1 + Re) Ri = Re/(1 - Re) 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 Elutriation or elution Decoction None of these Percolation Elutriation or elution Decoction None of these Percolation ANSWER DOWNLOAD EXAMIANS APP
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