Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 to 5 1 > 10 5 to 10 1 to 5 1 > 10 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Thermal energy of the molecules Potential energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids Both A & B Gives higher pressure drop Gives lower pressure drop Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit) Neither A nor B Straight Both A & B Parallel Neither A nor B Straight Both A & B Parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Berl saddle made of carbon cannot be used for H₂SO₄ SO₂ Alkalis Oxidising atmosphere H₂SO₄ SO₂ Alkalis Oxidising atmosphere ANSWER DOWNLOAD EXAMIANS APP
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