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Mass Transfer

Mass Transfer
Paper industry employs __________ driers.

Spray
Rotary
Cylinder
Fluidised bed

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Mass Transfer
__________ developed the film theory.

Higbie
Fick
Ergun
Levenspeil

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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
Separation of a mixture of two gases by absorption in the liquid solvent depends upon the difference in their

Density
Viscosity
Solubility
Relative volatility

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Mass Transfer
Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air?

Dew point
None of these
Dry bulb temperature
Wet bulb temperature

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Mass Transfer
Low viscosity absorbent is preferred for reasons of

Improved flooding characteristics
Low pressure drop on pumping
All of these
Rapid absorption rates and good heat transfer characteristics

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