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Mass Transfer

Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

30-40
90-100
44119
70-80

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Pachuka tank
Kennedy extractor
Bollman extractor
Hydrocyclones

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Mass Transfer
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called

Decoction
Elutriation or elution
None of these
Percolation

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Mass Transfer
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.

?
> 1
1
< 1

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Mass Transfer
All moisture in a non-hygroscopic material is the __________ moisture.

Free
Equilibrium
Unbound
Bound

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Butyl acetate
Furfural
Hexane
Benzol

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