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The system is unsaturated if partial pressure _________ equilibrium vapour pressure.

(a) Less than

(b) Greater than

(c) Equals to

(d) All of the mentioned

The question was posed to me during an online interview.

Query is from Humidification-Vapour-Gas Mixture topic in chapter Humidification Operations of Mass Transfer

1 Answer

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by (39.8k points)
The correct choice is (a) Less than

The explanation is: If saturated, the vapour pressure equals partial pressure. If unsaturated, the pressure will be less than vapour pressure.

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