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Mass Transfer

Mass Transfer
__________ developed the film theory.

Higbie
Fick
Ergun
Levenspeil

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Mass Transfer
The binary diffusivity in gases does not depend upon the

None of the listed here
Temperature
Nature of the components
Pressure

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Mass Transfer
With increase in temperature, the mutual solubility of two liquids

Increases
Decreases exponentially
Decreases
Remains unchanged

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Mass Transfer
The cooling effect in a cooling tower can be speeded up by

Reducing the humidity of the air
Reducing the barometric pressure
All of the listed here
Increasing the air velocity and area of exposed wet surface

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Wetted wall
Perforated tray
Packed
Bubble cap

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Both A and B
Neither A nor B
Is one at unity value of
Increases with increase in

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