Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 + Ro) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases Viscosity of solvent decreases None of these Thermal conductivity of solute increases Diffusivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment used in the extraction of highly corrosive radio active liquids is Pulse column Baffle tower Spray column Mixer settler Pulse column Baffle tower Spray column Mixer settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility varies with the concentration of component for an ideal solution. The relative volatity of a binary mixture may be defined as the ratio of vapor pressure of component 'A' to that of component 'B', when Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law Liquid phase obeys Dalton's law and vapor phase obeys Raoult's law Only vapor phase follows Raoult's law Only liquid phase obeys Dalton's law Vapor phase obeys Dalton's law and liquid phase obeys Raoult's law ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.01 10-5 to 10-6 0.1 > 1 0.01 10-5 to 10-6 0.1 > 1 ANSWER DOWNLOAD EXAMIANS APP