Mass Transfer Drying operation under vacuum is carried out to Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content ANSWER DOWNLOAD EXAMIANS APP
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 = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity) D D0.5 D2 1/D D D0.5 D2 1/D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent. > 100 None of these < 100 100 > 100 None of these < 100 100 ANSWER DOWNLOAD EXAMIANS APP
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