Mass Transfer Weeping in a distillation column Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with Vacuum gas oil Ethanolamine K₂CO₃ HCl Vacuum gas oil Ethanolamine K₂CO₃ HCl ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - 1/f - f/(1 - f) - (f - 1)/f (1 - f)/f - 1/f - f/(1 - f) - (f - 1)/f (1 - f)/f 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. 10 6 8 12 10 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Bubble-cap column Packed column (stacked) Sieve-plate column Randomly packed column Bubble-cap column Packed column (stacked) Sieve-plate column Randomly packed column ANSWER DOWNLOAD EXAMIANS APP
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