Mass Transfer The solvent used in liquid-liquid extraction should have __________ less than one. Distribution co-efficient Neither A nor B Both A & B Selectivity Distribution co-efficient Neither A nor B Both A & B Selectivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Both Momentum flux & Kinematic viscosity Momentum flux Kinematic viscosity Thermal diffusivity Both Momentum flux & Kinematic viscosity Momentum flux Kinematic viscosity Thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load Increased reflux ratio None of these Greater degree of separation with a fixed number of trays Increased reboiler load Increased reflux ratio None of these Greater degree of separation with a fixed number of trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Can either increase or decrease, depends on the system Increase Decrease Remain unchanged Can either increase or decrease, depends on the system Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 50 100 1000 500 50 100 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Design calculation for multiple component distillation is done by Tray to tray calculations Ponchon-Savarit method Enthalpy concentration method Mccabe-Thiele method Tray to tray calculations Ponchon-Savarit method Enthalpy concentration method Mccabe-Thiele method ANSWER DOWNLOAD EXAMIANS APP