Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D2 D D0.5 1/D D2 D D0.5 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.1 > 1 10-5 to 10-6 0.01 0.1 > 1 10-5 to 10-6 0.01 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. 8 6 12 10 8 6 12 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air at a particular humidity is heated in a furnace. The new dew point Increases Remain unchanged Depends on the extent of heating Decreases Increases Remain unchanged Depends on the extent of heating Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling Volatile impurity from still higher boiling substances Both of the options given here none of the listed here Substances from non-volatile impurities Volatile impurity from still higher boiling substances Both of the options given here none of the listed here Substances from non-volatile impurities ANSWER DOWNLOAD EXAMIANS APP
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