Mass Transfer Prandtl number for water at 20°C is about 7 0.7 70 150 7 0.7 70 150 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line Is the optimum reflux ratio Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Cannot be computed Is computed from the intercept of the operating line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T² T T³ √T T² T T³ √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Increase drying temperature Dry materials having high bound moisture content Reduce drying temperature Dry those materials which have very high unbound mositure content Increase drying temperature Dry materials having high bound moisture content Reduce drying temperature Dry those materials which have very high unbound mositure content ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption accompanied with chemical reaction is exemplified by the absorption of SO₂ in alkaline solution All of these Ammonia in water Benzol present in coke oven gas by wash oil SO₂ in alkaline solution All of these Ammonia in water Benzol present in coke oven gas by wash oil ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Cannot be predicted as data are insufficient Is lower than Is same as Is greater than Cannot be predicted as data are insufficient Is lower than Is same as Is greater than ANSWER DOWNLOAD EXAMIANS APP
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