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Mass Transfer

Mass Transfer
Ion exchange process is similar to

Absorption
Adsorption
Extraction
Leaching

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Continuous
Batch
Cooling (adiabatic)-cum-evaporation
Semi-batch

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Wetted wall tower
Bubble cap tower
Perforated tray tower
Grid tray tower

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Mass Transfer
Mass transfer co-efficient is defined as

Flux = Co-efficient/concentration difference
None of the listed here
Co-efficient = Flux/concentration difference
Flux=concentration difference/co-effi-cient

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Blow down
Drift
Vapor load
None of the listed here

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Mass Transfer
______ is the separation technique used for desalination of sea water.

Reverse osmosis
Adsorption
Thermal diffusion
Absorption

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