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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
During drying of a solid, the critical moisture content increases with

Increased drying rate
Both B and C
Increased thickness of the solid
Decreased drying rate

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Mass Transfer
As the reflux ratio decreases, the

Separation becomes more efficient
Number of plates increases
None of these
Column diameter increases

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

None of the listed here
Drift
Vapor load
Blow down

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

Always < 1
None of these
G/L
L/G

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Both A & B
Liquid
Gas
Neither A nor B

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