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Mass Transfer

Mass Transfer
Surface renewal model of mass transfer was enunciated by

Fick
Danckwerts
Stefan
Toor and Marchello

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Mass Transfer
The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is

None of these
Spray chamber
Natural draft cooling tower
Induced draft cooling tower

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

Packed
Plate
None of these
Centrifugal

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Mass Transfer
__________ column is used in gas absorption process.

Seive/perforated tray
Packed
Bubble cap
Wetted wall

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

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

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Mass Transfer
Leaching of uranium ore and gold ore is done in

Bollman extractor
Centrifugal extractor
None of these
Pachuka tanks

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MORE MCQ ON Mass Transfer

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