Question

what is wet and dry bulb thermometre

Answer 1

Hey there !

It is an instrument used to measure the relative humidity of the atmosphere. It consists of a thermometer with a bulb that is wet or moist and one that is kept dry. The relative humidity is calculated from the difference in readings of the thermometers when water evaporates from the wet bulb, decreasing its temperature.

Hope it helps you !

Answer 2

Dry bulb thermometre:
A dry bulb thermometer measures the actual air temperature in a room.
A wet bulb thermometer is a thermometer wrapped in a wet cloth. The evaporation of the water, which uses heat as it volatilizes, has a cooling effect on the thermometer.


Wet bulb thermometre :
A wet bulb thermometer measures the extent of cooling that happens as moisture dries from a surface (evaporative cooling). The wet bulb temperature is always lower than the dry bulb temperature except when there is 100% relative humidity.


Hope it helps....