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Mass Transfer

Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Tunnel
Festoon
Heated cylinder
Conveyor

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Mass Transfer
Flash distillation is suitable for the separation of components

Which form minimum boiling azeotrope
Having very wide boiling points
Which form maximum boiling azeotrope
Having very close boiling points

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Mass Transfer
Minimum reflux ratio in a distillation column results in

Maximum condenser size
Optimum number of trays
Minimum reboiler size
Minimum number of trays

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Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Kissinevskii
Higbie
Danckwerts
Toor and Marchello

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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)

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

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Mass Transfer
NSc/NPr is called the

Lewis number
Sherwood number
Stantan number
Psychrometric ratio

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MORE MCQ ON Mass Transfer

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