Mass Transfer In extractive distillation, solvent is Present in overhead stream Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Of high volatility Present in overhead stream Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Of high volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Sand is dried in foundaries in a___drier. Fluidisedbed Rotary Vacuum Spray Fluidisedbed Rotary Vacuum Spray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower Hot water entering the tower and the wet bulb temperature of the surrounding air None of these Cold water leaving the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve At constant humidity & total pressure is fixed Decreases with decrease in pressure All of the listed here Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve At constant humidity & total pressure is fixed Decreases with decrease in pressure All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the 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 Viscosity of solvent decreases None of these ANSWER DOWNLOAD EXAMIANS APP
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