Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - 1/f - (f - 1)/f (1 - f)/f - f/(1 - f) - 1/f - (f - 1)/f (1 - f)/f - f/(1 - f) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) 1/P 1/√P √P P 1/P 1/√P √P P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes Heat sensitive materials High boiling substances from nonvolatile impurities Mixtures of low relative volatility Azeotropes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is Dependent on the molecular volume & molecular weight of components All of these Inversely proportional to 'P' Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components All of these Inversely proportional to 'P' Directly proportional to 'T1.5' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP