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Mass Transfer

Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

None of these
1
?

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Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

Gas
None of these
Room
Wet bulb

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Mass Transfer
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.

Equal to
Greater than
Either A, or B ; depends on the type of packing
Smaller than

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Mass Transfer
The most efficient cooling tower out of the following is

Natural draft
Forced draft
Induced draft
Atmospheric

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Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

Azerotropic
None of these
Steam
Continuous

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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

0.54
1.24
1.94
1.04

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