Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Greater degree of separation with a fixed number of trays Increased reboiler load None of these Increased reflux ratio Greater degree of separation with a fixed number of trays Increased reboiler load None of these Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent used in extractive distillation Forms a high boiling azeotrope Does not alter the relative volatility of the original components Forms a low boiling azeotrope Is of low volatility Forms a high boiling azeotrope Does not alter the relative volatility of the original components Forms a low boiling azeotrope Is of low volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Degree of freedom for leaching and solvent extraction process is 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Wet bulb temperature decreases Both B and C Relative humidity decreases Relative humidity increases Wet bulb temperature decreases Both B and C Relative humidity decreases Relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 0.24 3.97 1 600 0.24 3.97 1 600 ANSWER DOWNLOAD EXAMIANS APP
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