Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? < 1 1 ∞ < 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas Decreases Remains same Increases Decreases linearly Decreases Remains same Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stage efficiency in a leaching process depends on the Time of contact between the solid and the solution Vapour pressure of the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B Time of contact between the solid and the solution Vapour pressure of the solution Rate of diffusion of the solute through the solid and into the liquid Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Increases Remains unchanged May increase or decrease, depends on the system Decreases Increases Remains unchanged May increase or decrease, depends on the system Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. 25 -25 > 25 < 25 25 -25 > 25 < 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation. High pressure Vacuum None of these Atmospheric High pressure Vacuum None of these Atmospheric ANSWER DOWNLOAD EXAMIANS APP