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Mass Transfer

Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F > 1
F < 1
0 < f < 1
F = 1

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Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

1
4
3
2

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Mass Transfer
A pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is

1.94
0.54
1.24
1.04

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Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Rotary
Cylinder
Drun
Freeze

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Mass Transfer
Freundlich equation applies to the adsorption of solute from

Gaseous solutions at high pressure
Concentrated solutions
Dilute solutions, over a small concentration range
None of these

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

Spray drier
Tunnel drier
Drum drier
Tray drier

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