Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 1.25 to 2.0 2.5 to 3.5 0.8 to 1.2 0.5 to 0.8 1.25 to 2.0 2.5 to 3.5 0.8 to 1.2 0.5 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, None of these Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid None of these Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won Both A & B Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Pr = Sc ; there won ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is Non-ideal in nature At a fixed temperature Soluble in the liquid Insoluble in the liquid Non-ideal in nature At a fixed temperature Soluble in the liquid Insoluble in the liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer ______ is the separation technique used for desalination of sea water. Adsorption Reverse osmosis Thermal diffusion Absorption Adsorption Reverse osmosis Thermal diffusion Absorption 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? Both heating and humidification Evaporative cooling Humidification only Heating only Both heating and humidification Evaporative cooling Humidification only Heating only ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS