Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 to 5 > 10 1 5 to 10 1 to 5 > 10 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer (NSh/NRe.NSc) is termed in mass transfer operation as the Peclet number Momentum diffusivity Stanton number Thermal diffusivity Peclet number Momentum diffusivity Stanton number Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in Decreased solute solubility All of these Large number of trays Large minimum liquid to gas (L/G) ratio Decreased solute solubility All of these Large number of trays Large minimum liquid to gas (L/G) ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of solid-liquid extraction is limited by the Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle Phase change of the solute as it dissolves in the solvent All of these Diffusion of the solute from the solution in contact with the particle to the main bulk of the solution Diffusion of the solute through the solvent in the pores to the outside of the particle ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of a saturated gas phase equals the __________ temperature. Wet bulb None of these Room Gas Wet bulb None of these Room Gas ANSWER DOWNLOAD EXAMIANS APP
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