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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Temperature
Both B and C
Pressure

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Not required
Known
Calculated
Unknown

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Mass Transfer
If the path of liquid across the plate is very long as in case of large diameter tower, Murphree efficiency can be __________ percent.

None of these
< 100
> 100
100

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Mass Transfer
Absorption accompanied by heat evolution results in

None of these
Increased capacity of the absorber
Increase in equilibrium solubility
Decrease in equilibrium solubility

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Mass Transfer
Equilibrium-moisture curves of different solids

Are same
None of these
Depend on the humidity of the gas
Are different

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Mass Transfer
The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

NSc = 1
NPr = NLe
NSc = NLe
NSc = NPr = NLe

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