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Mass Transfer

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

Infinity
None of these
Unity
Zero

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Mass Transfer
Separation of __________ employs gaseous diffusion process.

SO₂ and air
Isotopes of helium
N₂ and O₂ from air
Isotopes of uranium

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Mass Transfer
Stacked packing compared to dumped packing

Provides poorer contact between the fluids
Gives higher pressure drop
Gives lower pressure drop
Both A & B

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

None of these
Exponentially
Linearly
Inversely

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Mass Transfer
As the reflux ratio decreases, the

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

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Mass Transfer
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

Neither A nor B
Liquid
Gas
Both A & B

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