Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - f/(1 - f) (1 - f)/f - (f - 1)/f - 1/f - f/(1 - f) (1 - f)/f - (f - 1)/f - 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the Number of plates increases Column diameter increases None of these Separation becomes more efficient Number of plates increases Column diameter increases None of these Separation becomes more efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high volatility Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream Of high volatility Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
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 Remains unaffected Passes through a maximum Increases Decreases Remains unaffected Passes through a maximum Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Are same Are different Depend on the humidity of the gas None of these Are same Are different Depend on the humidity of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement. None of the listed here Marginal decrease in the number of No change in theoretical Major decrease in the number of None of the listed here Marginal decrease in the number of No change in theoretical Major decrease in the number of ANSWER DOWNLOAD EXAMIANS APP
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