Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases Viscosity of solvent decreases None of these Diffusivity of solute increases Thermal conductivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Packed column distillation is limited to the column __________ metres. Neither A nor B Diameter < 0.6 Height < 6 Both A & B Neither A nor B Diameter < 0.6 Height < 6 Both A & B 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 a₁ = a₂ a₁ = 2a₂ None of these a₁ = 0.5 a₂ a₁ = a₂ a₁ = 2a₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S = 1 S = ∞ S > 1 S < 1 S = 1 S = ∞ S > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Minimum number of the theoretical plates is required Number of plates is infinity Number of plates is zero Separation is most efficient Minimum number of the theoretical plates is required Number of plates is infinity Number of plates is zero Separation is most efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column Ponchan-Savarit method McCabe-Thiele method Enthalpy concentration method Plate absorption column Ponchan-Savarit method McCabe-Thiele method Enthalpy concentration method ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS