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Mass Transfer

Mass Transfer
Most important factor to be considered in the selection of packings for absorbers is the __________ of packing.

Porosity
Cost
Durability
Size

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Mass Transfer
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method?

Both B and C
Partial condenser
Reboiler
Total condenser

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Mass Transfer
When an unsaturated air-water mixture is heated at constant pressure, then

The specific humidity decreases
The partial pressure of water vapour increases
The relative humidity decreases
The relative humidity increases

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Mass Transfer
Separation of two volatile liquids by distillation makes use of their

Relative volatility
Solubility
Density difference
Selectivity

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Electrical resistance
Strength
Thermal conductivity
None of the listed here

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Calculated
Known
Not required
Unknown

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