Question

In psychometrics, increase in dry bulb temperature without increasing the humidity ratio results in

Answer 1

ANSWER__

If there is 100% humidity in air, both dry bulb and wet bulb reading will be the same. It is due to the fact that air movement will not be able to produce any cooling as there will be no evaporation. No evaporation means air is saturated in terms of RH. Thus, less is relative humidity in air, more will be the evaporation leading to cooling and the fall in wet bulb temperature will be recorded.

Wet bulb temperature never increases beyond dry bulb and therefore, we can’t say its temperature increases with relative humidity. Let us say, its temperature deceases as humidity decreases.

Answer 2

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⎇ able to produce any cooling as there will be no evaporation. No evaporation means air is saturated in terms of RH. Thus, less is relative humidity in air, more will be the evaporation leading to cooling and the fall in wet bulb temperature will be recorded.

Wet bulb temperature never increases beyond dry bulb and therefore, we can’t say its temperature increases with relative humidity.