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Mass Transfer

Mass Transfer
Desirable value of absorption factor in an absorber is

> 1
< 1
1
0.5

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Lewis
Stanton
Sherwood
Peclet

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Mass Transfer
Steady state equimolal counter diffusion occurs in case of

Liquid-liquid extraction
Binary phase distillation
Leaching
Absorption

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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
None of these
Percolation
Elutriation or elution

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Mass Transfer
For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns).

200-300
> 500
43835
22190

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

Tray
Rotary
Truck
Spouted bed

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