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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Lime water
Hot water
Hexane
Dilute H₂SO₄

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Mass Transfer
Which of the following is not a continuous drier?

Tray drier
Spray drier
Drum drier
Tunnel drier

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Mass Transfer
Absorption accompanied by heat evolution results in

Decrease in equilibrium solubility
Increase in equilibrium solubility
None of these
Increased capacity of the absorber

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Mass Transfer
The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around

3.97
0.24
600
1

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Mass Transfer
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.

Forced
None of these
Natural
Induced

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

- ve
1
+ ve
-1

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