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Mass Transfer

Mass Transfer
Schmidt number is given by

Re.Pe
Μ/ρDAB
Re/Pe
Sh x Pe

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

Spouted bed
Truck
Tray
Rotary

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Mass Transfer
Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of

Thermal diffusivity to mass diffusivity
Momentum diffusivity to thermal diffusivity
None of these
Mass diffusivity to momentum diffusivity

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Mass Transfer
Tea percolation employs

None of these
Absorption
Liquid-liquid extraction
Leaching

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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
1/D
D0.5
D

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Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1
1
> 1

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