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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

√T
T²
1/T
T

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Mass Transfer
Molality is defined as the number of gm moles of solute per __________ of solvent.

Kg
m³
Litre
Gm

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Mass Transfer
The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.

> 25
25
< 25
-25

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Mass Transfer
Schmidt number is given by

Re/Pe
Re.Pe
Μ/ρDAB
Sh x Pe

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Decreases
Remains constant
Data insufficient, cannot be predicted
Increases

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
Centrifugal
Plate
None of these

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