Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Activation energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Activation energy of the molecules Thermal energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Affected much less by temperature than that for gases Not affected by the temperature Affected more by temperature than that for gases None of these Affected much less by temperature than that for gases Not affected by the temperature Affected more by temperature than that for gases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Increasing pressure Increasing temperature No means Decreasing pressure Increasing pressure Increasing temperature No means Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent. Between 0 and 100 50 100 Between 0 and 100 50 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is not affected by the ambient Humidity Both B and C Temperature Pressure Humidity Both B and C Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP