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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Continuous
Steam
Flash
Differential

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

None of these
Crystallisation
Extractive distillation
Absorption

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Mass Transfer
Drying operation under vacuum is carried out to

Dry those materials which have very high unbound mositure content
Reduce drying temperature
Dry materials having high bound moisture content
Increase drying temperature

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

Truck
Spouted bed
Rotary
Tray

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Mass Transfer
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.

Pressure rises
Temperature falls
Temperature rises
Pressure falls

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Mass Transfer
In a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg)

8.25
6.89
8.89
10

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