Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Neither A nor B Above Both A & B Across Neither A nor B Above Both A & B Across ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Equal to More than Half Twice Equal to More than Half Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) (G.a)/FG FG/(G.a) L/(FG.G) F/(FG.a) (G.a)/FG FG/(G.a) L/(FG.G) F/(FG.a) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Solvent of low freezing point should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used Solvent of low freezing point should be used Very small quantity of solvent is required Large quantity of solvent is required to extract the solute Solvent of low latent heat of vaporisation should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Increases with increase in Is one at unity value of Both A and B Neither A nor B Increases with increase in Is one at unity value of Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are Both A & B Parallel Neither A nor B Straight Both A & B Parallel Neither A nor B Straight ANSWER DOWNLOAD EXAMIANS APP