Question

The bulb of the wet bulb thermometer is always wrapped in a piece of wet cotton cloth.​

Answer 1

Answer:

A thermometer left naked and exposed to the air will measure the ambient temperature. If you wrap the bulb of the thermometer in wet cloth, by contrast, the evaporating water from the wet cloth will cool the thermometer down, and its temperature will be cooler than it would be otherwise

Explanation:

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Answer 2

A thermometer left naked and exposed to the air will measure the ambient temperature. If you wrap the bulb of the thermometer in wet cloth, by contrast, the evaporating water from the wet cloth will cool the thermometer down, and its temperature will be cooler than it would be otherwise