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Mass Transfer

Mass Transfer
__________ equation applies to diffusivities in liquids.

Gilliland
None of these
Wilke and Chang
Hirschfelder

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Mass Transfer
For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Neither A nor B
Constant rate
Both A & B
Unsaturated surface

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Partial pressure
Mole ratio
Mole fraction
None of these

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Mass Transfer
Large scale drying of wheat is done in a __________ dryer.

Vacuum rotary
Spouted bed
Fluidised bed
Tray

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Mass Transfer
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second.

> 10
1
5 to 10
1 to 5

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Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

High pressure
Extractive
Low pressure
Steam

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