Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T T T² 1/T √T T T² 1/T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop 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 > 500 200-300 22190 43835 > 500 200-300 22190 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Perforated tray Bubble cap Wetted wall Packed Perforated tray Bubble cap Wetted wall Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Vapour pressure Both B and C Boiling point Freezing point Vapour pressure Both B and C Boiling point Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, 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 None of these Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
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