Mass Transfer The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is -ve +ve ∞ -ve +ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative volatility does not change appreciably with the change in None of these Temperature Vapour pressure of either component Total pressure None of these Temperature Vapour pressure of either component Total pressure 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) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) F/(FG.a) L/(FG.G) (G.a)/FG FG/(G.a) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. Marginal decrease in the number of No change in theoretical Major decrease in the number of None of the listed here Marginal decrease in the number of No change in theoretical Major decrease in the number of None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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