Question

The diagram below shows a weather instrument used to determine relative humidity.

What is the relative humidity?

1. 40%

2. 36%

3. 8%

4. 4%

Answer 1

Based on the readings on the Wet and Dry Bulbs of this weather instrument, the relative humidity is 40%.

What is the relative humidity?

First find the difference between the reading on the wet and dry bulbs:

= Dry bulb temperature - Wet bulb temperature

= 22 - 14

= 8°C

When the difference between these bulbs is 8°C and the temperature on the dry bulb is 22°C, then the relative humidity is 40% as shown in the table attached.

#SPJ1

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