Mass Transfer Large scale drying of wheat is done in a __________ dryer. Spouted bed Vacuum rotary Fluidised bed Tray Spouted bed Vacuum rotary Fluidised bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the concentration of the adsorbate, the integral heat of adsorption Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases Remains unchanged Increases May increase or decrease ; depends on the type of adsorbate Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 43835 22190 > 500 200-300 43835 22190 > 500 200-300 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the thermal diffusivity None of these Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity Momentum diffusivity to the thermal diffusivity None of these Momentum diffusivity to the mass dif-fusivity Thermal diffusivity to the mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require High reflux ratio Less number of trays Small cross-section column Low reflux ratio High reflux ratio Less number of trays Small cross-section column Low reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio 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 Cannot be computed Is the optimum reflux ratio 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 Cannot be computed Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP