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Mass Transfer

Mass Transfer
Langmuir equation is associated with

Steam distillation
Leaching
Adsorption
Multicomponent absorption

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Sharp drop in pressure drop
None of these
Increase in flow rate
Sharp rise in pressure drop

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Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Thermal diffusivity
Kinematic viscosity
Both Momentum flux & Kinematic viscosity
Momentum flux

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Mass Transfer
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

Increase 'S' and decrease 'G'
Increase 'G' and decrease 'S'
Decrease both 'G' and 'S'
Increase both 'G' and 'S'

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Mass Transfer
What is the reflux ratio at total reflux?

Unity
Data insufficient
Infinity
Zero

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Mass Transfer
The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model.

Perfectly mixed
Plug
Both plug & perfectly mixed
None of the listed here

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