Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high 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 Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation. Steam Molecular Simple Extractive Steam Molecular Simple Extractive ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 D ∝ T2 D ∝ T D ∝ T1.5 D ∝ T0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to Increase the residence time of the solid Reduce the residence time of solid None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid Reduce the residence time of solid None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Kinematic viscosity Both Momentum flux & Kinematic viscosity Thermal diffusivity Momentum flux Kinematic viscosity Both Momentum flux & Kinematic viscosity Thermal diffusivity Momentum flux ANSWER DOWNLOAD EXAMIANS APP
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