Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 2.5 to 3 3 to 4 5 1.2 to 1.5 2.5 to 3 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f is defined as above, then which of the following applies to a feed at dew point? 0 < f < 1 F > 1 F = 1 F < 1 0 < f < 1 F > 1 F = 1 F < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is Not affected by pressure Affected by pressure A plot of temperature vs. vapour composition A plot of temperature vs. liquid composition Not affected by pressure Affected by pressure A plot of temperature vs. vapour composition A plot of temperature vs. liquid composition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity Neither A nor B Decreased liquid viscosity Both A & B Increased diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Decreases in winter Increases in summer None of these Increases in winter Decreases in winter Increases in summer None of these Increases in winter ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Solubility of the components of air in water is very small Lewis number is close to unity Water has a high latent heat of evaporation They are always equal under all circumstances Solubility of the components of air in water is very small Lewis number is close to unity Water has a high latent heat of evaporation They are always equal under all circumstances ANSWER DOWNLOAD EXAMIANS APP
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