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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
With increase in solvent rate, the number of transfer units, NtoG, for a fixed degree of absorption from a fixed amount of gas

Decreases linearly
Decreases
Increases
Remains same

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Exponentially
None of these
Inversely
Linearly

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Mass Transfer
Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and

Humidified with wet bulb temperature decreasing
Dehumidified
None of these
Humidified at constant wet bulb temperature

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Mass Transfer
The operating cost of a distillation column at minimum reflux ratio is

Maximum
Infinite
Zero
Minimum

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Mass Transfer
Danckwerts developed the __________ theory.

Surface renewal
None of these
Penetration
Film

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