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
Dry-bulb
Adiabatic saturation
Wet-bulb

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Mass Transfer
Channelling is most severe

In dumped packing of regular units
In towers packed randomly with crushed solids
In towers packed with stacked packing
At very high liquid flow rate

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