Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Decreases Remains unaffected Increases Passes through a maximum Decreases Remains unaffected Increases Passes through a maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following binary systems is an example of a maximum boiling azeotrope? None of the listed here Acetone-carbon disulphide Water-ethyl alcohol Water-hydrochloric acid None of the listed here Acetone-carbon disulphide Water-ethyl alcohol Water-hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation. Butyl acetate Benzol Hexane Furfural Butyl acetate Benzol Hexane Furfural ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m-xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 The mixture exhibits an azeotrope at 101.3 kPa The mixture contain optical isomers The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10 The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 The mixture exhibits an azeotrope at 101.3 kPa The mixture contain optical isomers The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg) 10 8.25 6.89 8.89 10 8.25 6.89 8.89 ANSWER DOWNLOAD EXAMIANS APP
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