+1 vote
in Mass Transfer by (37.1k points)
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is  15 pa. The absolute humidity in mass of air/mass of water vapour is

(a) 0.805

(b) 0.311

(c) 0.705

(d) 0.411

This question was posed to me during an online interview.

The doubt is from Humidification-Operation in section Humidification Operations of Mass Transfer

1 Answer

0 votes
by (39.8k points)
The correct option is (a) 0.805

Easiest explanation: Absolute humidity = 5/ (10-5) x (29/18) = 0.805.

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