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Mass Transfer

Mass Transfer
Pore size of the molecular seive 5A is __________ mm.

50
0.5
0.05
5

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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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Mass Transfer
Inside the distillation columns, the

Driving force for the liquid flow is its weight
All of these
Highest temperatures is near the feed plate
Vapors are not always at their dew points

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Mass Transfer
Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature.

Dry-bulb
Wet-bulb
Dew point
Adiabatic saturation

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Mass Transfer
Which of the following increases during evaporative cooling process with recirculated water supply?

Both B and C
Relative humidity
Partial pressure of vapour
Wet bulb temperature

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Mass Transfer
The rate of mass transfer is not dependent upon the

Both A & B
Interfacial surface exposed between the phases
None of these
Degree of dispersion of one fluid in the other

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