Mass Transfer In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is 0.5 1 0.6 2 0.5 1 0.6 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Remain unchanged Decrease Can either increase or decrease, depends on the system Increase Remain unchanged Decrease Can either increase or decrease, depends on the system Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Mass transfer co-efficient Kinematic viscosity Thermal diffusivity Volumetric diffusivity Mass transfer co-efficient Kinematic viscosity Thermal diffusivity Volumetric diffusivity 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) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) FG/(G.a) L/(FG.G) (G.a)/FG F/(FG.a) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? F = 1 F < 1 F > 1 0 < f < 1 F = 1 F < 1 F > 1 0 < f < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Operating line lies below the equilibrium line Both operating and equilibrium lines are parallel Operating line lies above the equilibrium line Pressure drop in the column is very high Operating line lies below the equilibrium line Both operating and equilibrium lines are parallel Operating line lies above the equilibrium line Pressure drop in the column is very high ANSWER DOWNLOAD EXAMIANS APP
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