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Mass Transfer

Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

- ve
1
+ ve
-1

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Water from petrol
Ammonia from coke oven gas
None of the listed here
Uranium from its ore

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Mass Transfer
A good solvent used for absorption should not have very high

Vapor pressure
Viscosity
All of these
Freezing point

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Liquid hold up
Gas viscosity
Flooding
Liquid density

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Mass Transfer
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

Increase both 'G' and 'S'
Increase 'S' and decrease 'G'
Decrease both 'G' and 'S'
Increase 'G' and decrease 'S'

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Mass Transfer
Milk is dried usually in a __________ dryer.

Rotary
Freeze
Spray
Tray

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