Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P D ∝ P0.5 D ∝ 1/P0.5 D ∝ 1/P1.5 D ∝ 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Is far from the equilibrium line Lies below the equilibrium line Lies above the equilibrium line And equilibrium lines are parallel Is far from the equilibrium line Lies below the equilibrium line Lies above the equilibrium line And equilibrium lines are parallel ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Remains same Either A or B; depends on the gas Increases Decreases Remains same Either A or B; depends on the gas Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ diffusion is used for separating the isotopes of methane. Pressure Thermal Force Concentration Pressure Thermal Force Concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Drift Blowdown and leakage Evaporation All of these Drift Blowdown and leakage Evaporation All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dimension of mass diffusivity is the same as that of Surface tension Pressure Kinematic viscosity Dynamic viscosity Surface tension Pressure Kinematic viscosity Dynamic viscosity ANSWER DOWNLOAD EXAMIANS APP