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Mass Transfer

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
In distillation, overhead product contains

Only one component
Only saturated liquid
Two components
Any number of components

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Mass Transfer
Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture?

Bamboo
Inorganic solids
Anthracite coal
Rag paper

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Vacuum
Tray
Rotary
Tunnel

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Mass Transfer
Decoction refers to the use of solvent

In its vapor form
None of these
At its boiling point
At ambient temperature

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Total
Maximum permissible
Operating
Minimum

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