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Mass Transfer

Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

70-80
30-40
90-100
44119

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Mass Transfer
McCabe-Thiele method of binary distillation does not assume that the

Molar latent heats of all components are equal
Heat of mixing is negligible
Sensible heat changes are negligible compared with latent heat changes
None of these

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Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

1/T
√T
T²
T

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Mass Transfer
Langmuir equation is associated with

Leaching
Steam distillation
Adsorption
Multicomponent absorption

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Mass Transfer
Dorr thickener is an equipment used for

Clarification
Leaching
Classification
Sedimentation

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Mass Transfer
Very tall packed towers are divided into series of beds to

Avoid channelling
Reduce the overall pressure drop
Avoid flooding
Reduce liquid hold-up

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