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Mass Transfer

Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Both B and C
Temperature
Pressure

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Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

(1 - f)/f
- (f - 1)/f
- f/(1 - f)
- 1/f

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Mass Transfer
Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption.

Higher than
Same as
Lower than
Either same or higher than

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

44119
70-80
90-100
30-40

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Mass Transfer
__________ is concerned with the adsorption equilibria.

None of these
Fick's law
Gibb's equation
Freundlich equation

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Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

< 1
> 1
≤ 1
1

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