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Mass Transfer

Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re0.53
Re0.83
Re0.33
Re

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Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Conveyor
Heated cylinder
Tunnel
Festoon

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Mass Transfer
The percentage humidity is less than the relative humidity only at __________ percent humidity.

Both zero and hundred
Hundred
None of these
Zero

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Mass Transfer
__________ equation applies to diffusivities in liquids.

Gilliland
Wilke and Chang
None of these
Hirschfelder

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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

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

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Mass Transfer
According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)

D2
D0.5
1/D
D

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