Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T² T T⁴ √T T² T T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by Drift Evaporation Blowdown and leakage All of these Drift Evaporation Blowdown and leakage All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Increase Remain same Data insufficient, can't be predicted Decrease Increase Remain same Data insufficient, can't be predicted Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Is computed from the intercept of the operating line Cannot be computed Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP