Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) √T T T² T⁴ √T T T² T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Both B and C Boiling point Freezing point Vapour pressure Both B and C Boiling point Freezing point Vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is G/L L/G Always < 1 None of these G/L L/G Always < 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Can either increase or decrease, depends on the system Increase Remain unchanged Decrease Can either increase or decrease, depends on the system Increase Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid None of these Reduce the residence time of solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid None of these Reduce the residence time of solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pore size of the molecular seive 5A is __________ mm. 5 50 0.05 0.5 5 50 0.05 0.5 ANSWER DOWNLOAD EXAMIANS APP