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∙ 11y agoPhysics explains this principle well - when evaporation takes place, cooling occurs. This is because for evaporation to take place, the water needs to change into vapor or gas and this only happens when there is heat in the surroundings. So when the water absorbs heat, it evaporates and this makes the container or surroundings cooler. The earthen pitcher contains many pores or small holes. When water is poured into the pot, a small part of it exits through these pores and evaporates from the surface of the pot, thus making the pot (and remaining water) cooler than before.
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∙ 11y agoWiki User
∙ 11y agobecause the porous surface allows evaporation and evaporation leads to cooling
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when the surface water is evaporate in air but the earthen pot is covered at up by a plate so it not allows to water vapours to go out of it and condens within it make decrease of temparature of earthen pot rather than surroundings temparature and makes earthen pot cool and the temparature of pot also adopted by water and make it also cool.
The desert (swamp) cooler depends upon evaporation of water for cooling. During the rainy season the air is already pretty much saturated with water vapor so little water evaporates from the cooler and they become inefficient. They are most efficient when the relative humidity is below 20%.
Water wheels were used to generate power during the Industrial Revolution. Water wheels can also aerate the water in a pond. A water could be used to generate power to run a windmill.
A water heater usually heats water stored in a tank and then sends it into the pipeline. A tankless water heater has no tank and heats the water during its passage and so heats the water only when one asks for it.
first fit a low pressure gauge to the compressor suction line and start closing the liquid receiver discharge line. throughthis way all the refrigerant comes to the liquid receiver after completing the cycle but not allowed to go back to the system. during this process system become low pressurised and become trip. thisis how we pump down the systemSyedMuhammad Ghufran
To much volume based on DFU's
By evaporation
An earthen pot has small pores in its walls. When water is poured into it, some of it seeps through these pores to its outer surface. On reaching there, it evaporates.The heat required for evaporation is taken from the earthen pot and from the water in it. As a result, the water in an earthen pot gets cooled down.
Ceramic heat earthen is low.
Evaporative cooling.During the process of evaporation ,air takes in heat, thus cooling down the surrounding areas.In other words, particles of liquid absorb energy from the surroundings to regain the heat lost during evaporation,thereby cooling nearby objects.Same is the case with an earthen pot.
No, it works on winter
Earthen pots have tiny holes in them through which some of the water keeps seeping. But it is not noticeable. The water which is now outside the earthen pot evaporates. Durin evaporation, the water gain heat energy from the surroundings to evaporate. Thus the surroundings and the water in the earthen pot loses heat energy and cools gradually.
Depends whether the earthen pot is baked or not, if it is, it's safe to keep it.
new earthen pots enable the water inside to seep outside to a certain extent which makes the surface of the pot damp.this moisture then evaporates and cools the water inside,but in older earthen pots seeping of water does not take place to an extent when it was new.therefore old earthen pots does not cool the water inside
It acts as a coolant and prevent the car from overheating during summers. Hope this Helps!!
Evaporation is an endothermic process.
The earhern pots used for keeping water cool in summer have small pores in it.water seeps in these pores and evaporates.as evaporation causes cooling, earthen pots remain cool.
Due to capillarity water leaks through tiny pores of earth pots.Midun.M