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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Hot water
Dilute H₂SO₄
Hexane
Lime water

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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

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

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Ammonia from coke oven gas
Water from petrol
Uranium from its ore
None of the listed here

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

None of these
Unity
Infinity
Zero

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Packed
Perforated tray
Bubble cap
Wetted wall

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Mass Transfer
Flash distillation is suitable for the separation of components

Which form maximum boiling azeotrope
Having very wide boiling points
Which form minimum boiling azeotrope
Having very close boiling points

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