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Mass Transfer

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

2
1
3
4

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Mass Transfer
HETP is numerically equal to HTU, only when the operating line

Is far from the equilibrium line
And equilibrium lines are parallel
Lies above the equilibrium line
Lies below the equilibrium line

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Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Water-ethyl alcohol
Acetone-carbon disulphide
None of the listed here
Water-hydrochloric acid

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Mass Transfer
The unit of volumetric diffusivity is

Cm²/seC₂
Cm³/sec
Cm/sec
Cm²/sec

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Both A & B
Humidified
Cooled
Dehumidified

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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?

3
4
1
2

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