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Mass Transfer

Mass Transfer
Tea percolation employs

Liquid-liquid extraction
Leaching
None of these
Absorption

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Mass Transfer
Separation of __________ employs gaseous diffusion process.

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

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Mass Transfer
Dorr thickener is an equipment used for

Leaching
Classification
Sedimentation
Clarification

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Mass Transfer
In batch distillation with constant reflux, overhead product composition __________ with time.

Increases
May increase on decrease, depends on the system
Decreases
Does not vary

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

∞
+ve
-ve

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Mass Transfer
Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as

D0.5
D
1/D
D1.5

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