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Mass Transfer

Mass Transfer
According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)

μ
√μ
μ²
1/μ

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Mass Transfer
In physical terms, Schmidt number means

Thermal diffusivity/mass diffusivity
Mass diffusivity/thermal diffusivity
Thermal diffusivity/momentum diffusivity
Momentum diffusivity/mass diffusivity

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Mass Transfer
__________ developed the film theory.

Fick
Levenspeil
Ergun
Higbie

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Mass Transfer
The fixed cost of a distillation column at minimum reflux ratio is

Minimum
Infinite
None of these
Optimum

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Mass Transfer
For contacting a highly soluble gas with a liquid

Bubble the gas through liquid
None of the listed here
Both of the options given here
Spray the liquid on gas stream

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Mass Transfer
The dimension of diffusivity is same as that of the

Velocity head
Density
Kinematic viscosity
Molal concentration

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