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Mass Transfer

Mass Transfer
Deairation (removal of O₂) of water is done by

Ion-exchange
Rectification
Adsorption
Absorption

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Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F < 1
0 < f < 1
F = 1
F > 1

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Mass Transfer
Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content.

Rotary
Freeze
None of these
Tray

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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

Dehumidified
Humidified
Cooled
Both A & B

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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
Azeotropic distillation is employed to separate

Mixture with very high relative volatility
Constant boiling mixture
Heat sensitive materials
High boiling mixture

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