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Mass Transfer

Mass Transfer
Reverse osmosis is also called

Ultrafiltration
Diffusion
Dialysis
Electrodilysis

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Mass Transfer
Mass transfer co-efficient is directly proportional to DAB according to the __________ theory.

Surface-renewal
Penetration
None of these
Film

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/sec
Cm³/sec
Cm²/seC₂
Cm/sec

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Mass Transfer
Sticky material can be dried in a __________ dryer.

Fluidised bed
Rotary
Tray
None of these

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Mass Transfer
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.

Same as
More than
Less than
Very much less

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Mass Transfer
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.

No change in theoretical
Marginal decrease in the number of
Major decrease in the number of
None of the listed here

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