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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
Boiling point diagram is not affected by the ambient

Temperature
Humidity
Pressure
Both B and C

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Mass Transfer
As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages

Decrease
Increase
Remain unchanged
Can either increase or decrease, depends on the system

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

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

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Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

71 min
94 min
15 min
51 min

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

0.5
2
∞
1

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