Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) 1/μ μ² μ √μ 1/μ μ² μ √μ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most efficient cooling tower out of the following is Forced draft Natural draft Atmospheric Induced draft Forced draft Natural draft Atmospheric Induced draft ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In saturated gas, the Vapour is in equilibrium with the liquid at the gas temperature Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature None of the listed here Vapour is in equilibrium with the liquid at the gas temperature Vapour is in equilibrium with the liquid at the room temperature Partial pressure of vapour equals the vapour pressure of the liquid at room temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the Pressure increases gradually from bottom to the top of the column Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points None of these Pressure increases gradually from bottom to the top of the column Driving force for the vapour flow is the pressure drop Liquids are not always at their bubble points None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, The top and bottom compositions correspond to the maximum enrichment available The top and bottom compositions are unchanged with and without total reflux Reboiler load and condenser load are minimum Composition of vapors and that of liquid do not vary throughout the column The top and bottom compositions correspond to the maximum enrichment available The top and bottom compositions are unchanged with and without total reflux Reboiler load and condenser load are minimum Composition of vapors and that of liquid do not vary throughout the column ANSWER DOWNLOAD EXAMIANS APP