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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
1/f
F/2
F

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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
Dehumidified
Humidified
Cooled

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

None of these
Exponentially
Inversely
Linearly

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Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

Kg
Gm
c
Litre

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Mass Transfer
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)

Decreases linearly
Decreases
Increases
Remains unchanged

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

None of the listed here
Film
Surface renewal
Penetration

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