Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Decreases rapidly Remains constant Increases rapidly Is maximum Decreases rapidly Remains constant Increases rapidly Is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Degree of turbulence Physical properties Chemical properties Interfacial area Degree of turbulence Physical properties Chemical properties Interfacial area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Optimum reflux ratio Maximum number of ideal plates Height of the distillation column Minimum number of theoretical plates Optimum reflux ratio Maximum number of ideal plates Height of the distillation column Minimum number of theoretical plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. More than the wet bulb Equal to the dry bulb Less than the wet bulb Equal to the wet bulb More than the wet bulb Equal to the dry bulb Less than the wet bulb Equal to the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The diffusivity (D) in a binary gas mixture is related to the temperature (T) as D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 D ∝ T D ∝ T0.5 D ∝ T2 D ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP