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Mass Transfer

Mass Transfer
The value of L/mG ratio for economical absorption operation ranges from

1.25 to 2.0
2.5 to 3.5
0.5 to 0.8
0.8 to 1.2

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Mass Transfer
The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature.

Dry bulb
None of these
Dew point
Wet bulb

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Mass Transfer
In case of unsaturated air

Both of the options given here
Dew point < wet bulb temperature
Wet bulb temperature < dry bulb temperature
None of the listed here

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Mass Transfer
Components, having widely different boiling point in a binary mixture, can be separated using __________ distillation.

Steam
Simple
Extractive
Molecular

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Agitation and settling
Dissolution
Decoction
Percolation

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Mass Transfer
COâ‚‚ can be absorbed by

Hot cupric oxide
Cold Ca(OH)â‚‚
Alumina
Heated charcoal

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