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Mass Transfer

Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

√P
1/√P
1/P
P

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Mass Transfer
Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

Vacuum
Tunnel
Rotary
Tray

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Steam
Extractive
Molecular
Azeotropic

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Mass Transfer
Small dia distillation column can be a

Sieve tray
Any of these
Packed column
Bubble cap

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Mass Transfer
Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time)

(De/t)1/2
(4De/πt)1/2
(De.t)1/2
(4De/t)

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Mass Transfer
Danckwerts developed the __________ theory.

Penetration
Film
None of these
Surface renewal

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