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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Hexane
Lime water
Hot water
Dilute H₂SO₄

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Mass Transfer
Which of the following operations does not involve leaching?

Removing nicotine from its water solution by kerosene
Dissolving sugar from the cells of the beet
Dissolving gold from ores
Dissolving pharmaceutical products from bark or roots

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

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

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Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

- ve
+ ve
-1
1

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Mass Transfer
Gaseous diffusion co-efficient increases with increase in the

Both Pressure & Temperature
Pressure
None of the listed here
Temperature

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Mass Transfer
The film penetration model of mass transfer was enunciated by

Toor and Marchello
Fick
Stefan
Gilliland

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