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Mass Transfer

Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Vapor load
Blow down
Drift
None of the listed here

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Mass Transfer
Wetted wall tower experiment determines the

Mass transfer co-efficient
None of these
Molal diffusivity
Volumetric co-efficient

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Mass Transfer
For a binary mixture distillation process, the degree of freedom is 2. However, if the pressure is fixed in this process, the number of independent variables in this process will be

3
2
1

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Mass Transfer
Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. )

(1 + Ro) = Ro/Ri
(1 - Ro) = Ro/Ri
(1 - Ri) = Ro/Ri
(1 + Ri) = Ro/Ri

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Mass Transfer
______ extractor uses centrifugal force for separating the two phases.

Treybal
None of the listed here
Podbielniak
Schiebel

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Mass Transfer
Reboiler is considered as one theoretical plate, because

Vapour is recycled to the column
None of these
Reboiler itself contains one plate
Of the assumption that vapour and liquid leaving the reboiler are in equilibrium

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