Mass Transfer For a binary mixture with low relative volatility, Use steam distillation Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation Use steam distillation Use molecular distillation An azeotrope may be formed during distillation Use high pressure distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 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). 200-300 22190 > 500 43835 200-300 22190 > 500 43835 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) 1/T √T T T² 1/T √T T T² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reboiler load Greater degree of separation with a fixed number of trays None of these Increased reflux ratio Increased reboiler load Greater degree of separation with a fixed number of trays None of these Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP