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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

> 1
< 1
1

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Mass Transfer
In case of absorption, both the operating and equilibrium lines will be straight for

None of these
Dilute solutions and isothermal operation
Dilute solutions
Isothermal operation

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Mass Transfer
Make up water is supplied during cooling tower operation to compensate for water losses due to

All of these
Entrainment
Blowdown
Evaporation

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Mass Transfer
The cooling effect in a cooling tower can not be increased by

None of these
Lowering the barometric pressure
Reducing the humidity of entering air
Increasing the air velocity over the wet surfaces

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Mass Transfer
The Kundsen diffusivity is proportional to (where, T = absolute temperature)

√T
T²
T
T⁴

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Mass Transfer
The most economical range of absorption factor is

1.25 to 2
5 to 10
2.5 to 3
2 to 2.5

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