Mass Transfer Ammonia present in the coke oven gas is removed by washing with Dilute HCl Dilute ammoniacal liquor Caustic solution Ethanolamine Dilute HCl Dilute ammoniacal liquor Caustic solution Ethanolamine ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Increases Decreases Remains unchanged May increase or decrease, depends on the system Increases Decreases Remains unchanged May increase or decrease, depends on the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Degree of turbulence Interfacial area Physical properties Chemical properties Degree of turbulence Interfacial area Physical properties ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 6 12 8 10 6 12 8 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Hatta number is important in Multicomponent distillation Gas absorption without chemical reaction Gas absorption with chemical reaction Binary distillation Multicomponent distillation Gas absorption without chemical reaction Gas absorption with chemical reaction Binary distillation ANSWER DOWNLOAD EXAMIANS APP
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