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Mass Transfer

Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Cost
Durability
Porosity
Size

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Mass Transfer
The partial pressure distribution of an ideal gas diffusing through another stagnant ideal gas at steady state follows a/an __________ law.

Linear
Exponential
Parabolic
Cubic

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Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

High pressure
Extractive
Low pressure
Steam

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Mass Transfer
What is the reflux ratio at total reflux?

Zero
Infinity
Data insufficient
Unity

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Mass Transfer
With increase in temperature, the rate of leaching increases, because the

Viscosity of solvent decreases
Thermal conductivity of solute increases
Diffusivity of solute increases
None of these

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Mass Transfer
At a fixed total pressure, humidity depends only on the

Partial pressure of vapour in the mixture
None of these
Density of the vapour
Heat capacity of the vapour

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