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Mass Transfer

Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Unity
Zero
Infinity
None of these

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Sherwood number
Lewis number
Schmidt number
Prandtl number

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Mass Transfer
Overall efficiency of the distillation column is

The ratio of number of ideal plates to actual plates
Always more than the point efficiency
The ratio of number of actual plates to ideal plates
Same as the Murphree efficiency

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

Tray
Spouted bed
Vacuum rotary
Fluidised bed

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Mass Transfer
For which of the following unit operations, Lewis number is of significance?

Gas absorption
Adsorption
Binary distillation
Humidification

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

SO₂ in alkaline solution
Benzol present in coke oven gas by wash oil
Ammonia in water
All of these

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