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Mass Transfer

Mass Transfer
Rotary dryers cannot handle __________ materials.

Sticky
Free flowing
Dry
Grannular

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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
Ordinary diffusion process is also called __________ diffusion.

Concentration
Thermal
Pressure
Forced

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Mass Transfer
Which of the following is the most suitable for extraction in a system having very low density difference?

Mixer-settler extractor
Pulsed extractor
Packed extraction tower
Centrifugal extractor

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Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Decreases rapidly
Is maximum
Remains constant
Increases rapidly

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Mass Transfer
Pick out the system with maximum boiling azeotrope at 1 atm.

Benzene-ethyl alcohol
Ethyl alcohol-water
Acetone chloroform
None of these

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