Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Absorption None of these Distillation Solvent extraction Absorption None of these Distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Humidification Binary distillation Gas absorption Adsorption Humidification Binary distillation Gas absorption Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Highest temperature is encountered at the top of the column Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively Highest temperature is encountered at the top of the column Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Driving force for the liquid flow is its specific weight Vapors and liquids are at their dew point and bubble point respectively ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Unbound Equilibrium Bound Free Unbound Equilibrium Bound Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is None of these Infinite Optimum Minimum None of these Infinite Optimum Minimum ANSWER DOWNLOAD EXAMIANS APP