Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Decrease Can either increase or decrease, depends on the system Remain unchanged Increase Decrease Can either increase or decrease, depends on the system Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 4.605 9.21 100 0.001 4.605 9.21 100 0.001 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In stripping section of continuous distillation column, the None of these Liquid is stripped of high boiler Vapour is stripped of low boiler Liquid is enriched with high boiler None of these Liquid is stripped of high boiler Vapour is stripped of low boiler Liquid is enriched with high boiler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Zero Unity Infinity Data insufficient Zero Unity Infinity Data insufficient ANSWER DOWNLOAD EXAMIANS APP