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Mass Transfer

Mass Transfer
The most efficient cooling tower out of the following is

Natural draft
Atmospheric
Forced draft
Induced draft

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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).

> 500
200-300
22190
43835

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Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

2
3
1
4

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Mass Transfer
When a multistage tray tower uses a minimum reflux ratio, it implies

Infinite trays and maximum reboiler heat load
Minimum trays and maximum reboiler heat load
Minimum trays and minimum reboiler heat load
Infinite trays and minimum reboiler heat load

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Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

Steam
None of these
Continuous
Azerotropic

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Mass Transfer
The vapour pressure exerted by the moisture contained in a wet solid depends upon the

Nature of the solid
All of these
Nature of the moisture
Temperature

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