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Mass Transfer

Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

None of these
100
78
50

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

Kg
m³
Litre
Gm

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Mass Transfer
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.

None of these
Vacuum
High pressure
Atmospheric

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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.

Dew point
Wet-bulb
Dry-bulb
Adiabatic saturation

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Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Plate towers
Wetted wall columns
Packed towers
Spray towers

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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
90-100
70-80
30-40

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