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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Seive/perforated tray
Packed
Bubble cap
Wetted wall

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Mass Transfer
Mass transfer co-efficient is defined as

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

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Mass Transfer
Raoult's law is applicable to the

Mixture of water and alcohol
Real solutions
Non-ideal gases
Ideal solutions

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Mass Transfer
Berl saddle made of carbon cannot be used for

Alkalis
Oxidising atmosphere
SO₂
H₂SO₄

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Mass Transfer
At minimum reflux ratio for a given separation

Separation is most efficient
Minimum number of the theoretical plates is required
Number of plates is infinity
Number of plates is zero

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Mass Transfer
Plate efficiency in a distillation column is reduced due to the __________ of liquid.

All of these
Entrainment
Foaming
Weeping & dumping

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