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Mass Transfer

Mass Transfer
The unit of volumetric diffusivity is

Cm²/sec
Cm/sec
Cm³/sec
Cm²/seC₂

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Mass Transfer
Langmuir equation is associated with

Adsorption
Steam distillation
Leaching
Multicomponent absorption

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Mass Transfer
Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Peclet
Schmidt
Stanton

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Mass Transfer
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.

Lower than
Higher than
Either A or B, depends on the mixture composition
Equal to

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Mass Transfer
At minimum reflux ratio for a given separation

Number of plates is infinity
Number of plates is zero
Minimum number of the theoretical plates is required
Separation is most efficient

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Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Unity
None of these
Zero
Infinity

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