Mass Transfer Drift in a cooling tower is All of these Dependent on the water lost by evaporation Desirable The water entrained by the circulating air All of these Dependent on the water lost by evaporation Desirable The water entrained by the circulating air 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 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 contain optical isomers The mixture exhibits an azeotrope at 101.3 kPa 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 contain optical isomers The mixture exhibits an azeotrope at 101.3 kPa 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) L/(FG.G) F/(FG.a) FG/(G.a) (G.a)/FG L/(FG.G) F/(FG.a) FG/(G.a) (G.a)/FG ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by Increasing pressure No means Decreasing pressure Increasing temperature Increasing pressure No means Decreasing pressure Increasing temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operating cost of a distillation column at minimum reflux ratio is Minimum Infinite Maximum Zero Minimum Infinite Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, continuous rectification to get pure products will require Low reflux ratio Less number of trays Small cross-section column High reflux ratio Low reflux ratio Less number of trays Small cross-section column High reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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