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Mass Transfer

Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

X/(X + 1)
X/(X - 1)
(X + 1)/X
(X - 1)/X

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

1.5
-0.6
0.6
-1.5

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Mass Transfer
What is the degree of freedom of an absorption process in which only one component is transferred between phases?

2
1
4
3

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Prandtl number
Sherwood number
Schmidt number
Lewis number

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Mass Transfer
If the amount of the steam used in steam distillation is increased, the temperature of distillation

Depends on relative volatility
Remains unchanged
Increases
Decreases

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Mass Transfer
Mass transfer co-efficient is defined as

Co-efficient = Flux/concentration difference
Flux=concentration difference/co-effi-cient
Flux = Co-efficient/concentration difference
None of the listed here

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