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Mass Transfer

Mass Transfer
__________ developed the film theory.

Fick
Levenspeil
Ergun
Higbie

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Reboiler itself contains one plate
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium
Vapour is recycled to the column
None of these

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Dehumidified
Both A & B
Humidified
Cooled

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

∞
+ve
-ve

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Mass Transfer
Which of the following quantities need not be fixed before starting the design of a co-current absorber?

Heat gain or loss
None of the listed here
Flow rate of gas
Flow rate of entering liquid

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Crystal growth
Avoiding deposition on cooler surfaces
Formation of nuclei

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