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Mass Transfer

Mass Transfer
Liquid diffusivity is of the order of __________ cm² /second.

0.1
0.01
10-5 to 10-6
> 1

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

Forced
Natural
None of these
Induced

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Mass Transfer
Small dia distillation column can be a

Any of these
Sieve tray
Bubble cap
Packed column

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q > 1
q = 0
q = 1
q < 1

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Mass Transfer
The equipment used in the extraction of highly corrosive radio active liquids is

Pulse column
Mixer settler
Baffle tower
Spray column

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Mass Transfer
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will

Remain same
Increase
Data insufficient, can't be predicted
Decrease

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