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Mass Transfer

Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T3/2 and √T
√T and T3/2
T and T3/2
T3/2 and T

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Mass Transfer
Schmidt number is given by

Re.Pe
Sh x Pe
Μ/ρDAB
Re/Pe

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Mass Transfer
Which of the following adsorbent is used to decolourise yellow glycerine?

Fuller
Silica gel
Activated carbon
Alumina

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Mass Transfer
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Decreases
Either A or B; depends on the gas
Increases
Remains same

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Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
1/f
F
F/2

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Mass Transfer
__________ developed the film theory.

Higbie
Fick
Levenspeil
Ergun

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