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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Flash
Differential
Continuous
Steam

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
None of these
1

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Mass Transfer
Batch tray dryers suffers from the disadvantage of

All of the listed here
Non-uniform & low production rate
High maintenance cost
High labour cost & low heat economy

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Mass Transfer
Mass transfer co-efficient is defined as

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

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

Adsorption
Reverse osmosis
Thermal diffusion
Absorption

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Peclet
Schmidt
Stanton
Sherwood

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