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Mass Transfer

Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

10
0.1
1
0.01

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

G/L
None of these
Always < 1
L/G

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Mass Transfer
As the reflux ratio decreases, the

None of these
Column diameter increases
Separation becomes more efficient
Number of plates increases

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Remains constant
Increases
Decreases
Data insufficient, cannot be predicted

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

Spouted bed
Rotary
Tray
Truck

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Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Higbie
Danckwerts
Toor and Marchello
Kissinevskii

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