Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 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 Only liquid phase obeys Dalton's law Only vapor phase follows Raoult'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 liquid phase obeys Dalton's law Only vapor phase follows Raoult'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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is computed from the intercept of the operating line Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the dry bulb More than the wet bulb Less than the wet bulb Equal to the wet bulb Equal to the dry bulb More than the wet bulb Less than the wet bulb Equal to the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most efficient cooling tower out of the following is Atmospheric Forced draft Natural draft Induced draft Atmospheric Forced draft Natural draft Induced draft ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption compared to physical absorption has Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate None of these Lower capacity of the solvent for the solute gas Increased utilisation of stagnant zones of the liquid phase Lower adsorption rate None of these ANSWER DOWNLOAD EXAMIANS APP
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