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Mass Transfer

Mass Transfer
For turbulent mass transfer in pipes, the Sherwood number depends on the Reynolds number as

Re0.83
Re0.53
Re0.33
Re

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Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

1
4
3
2

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Mass Transfer
For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams

Increases
Remains unaffected
Decreases
Passes through a maximum

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Mass Transfer
The relative saturation of an unsaturated mixture of gas and vapor is independent of the

Temperature of the mixture
Nature of the vapor
Composition of the mixture
None of these

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Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Sherwood
Lewis
Peclet
Stanton

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

None of the listed here
Decreased viscosity of liquid
Increased diffusivity
Both Decreased viscosity of liquid & Increased diffusivity

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MORE MCQ ON Mass Transfer

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