Mass Transfer The dimension of diffusivity is same as that of the Density Velocity head Molal concentration Kinematic viscosity Density Velocity head Molal concentration Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 1 < 1 > 1 0.5 1 < 1 > 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of None of these Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity None of these Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? < 1 ∞ 1 < 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low viscosity High gas solubility Low vapor pressure None of these Low viscosity High gas solubility Low vapor pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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