Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 (De.t)1/2 (4De/t) (De/t)1/2 (4De/πt)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to F 2f F/2 1/f F 2f F/2 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement pertaining to leaching. Very high temperature is not needed for the leaching of sugar beet Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor Very high temperature is not needed for the leaching of sugar beet Door classifier can be used for leaching of coarse solids Fine solids can not be leached in a Pachuka tank Vegetable seeds can be leached in either of Bollman extractor, Rotocel or Kennedy extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Minimum reflux ratio Zero reflux ratio Total reflux No reflux Minimum reflux ratio Zero reflux ratio Total reflux No reflux ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Remains unchanged Increases Depends on the pressure of the system Decreases Remains unchanged Increases Depends on the pressure of the system ANSWER DOWNLOAD EXAMIANS APP
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