Mass Transfer The dimension of diffusivity is same as that of the Velocity head Density Molal concentration Kinematic viscosity Velocity head Density Molal concentration Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Is same as Is greater than Cannot be predicted as data are insufficient Is lower than Is same as Is greater than Cannot be predicted as data are insufficient Is lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ 1/P D ∝ P0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases linearly Remains same Decreases Increases Decreases linearly Remains same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Better flow characteristics Rapid absorption rates All of these Low pumping pressure drop Better flow characteristics Rapid absorption rates All of these Low pumping pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Increase Decrease Remain unchanged Increase/decrease ; depends on the temperature Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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