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Q.

What is the use of gas in refrigerators and air conditioners.

Tags: travel, science, environment
Asked by bhaskar erram, 15 May '10 10:13 pm
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Answers (7)

 
1.

It is the only gas which can be carged up with elec..to make chamber cool
Answered by chandra bhushan, 15 May '10 10:17 pm

 
  
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2.

Its the coolant.......................
Answered by Kalyani Sawant, 15 May '10 10:20 pm

 
  
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3.

For cooling purpose.It is CFC (Chloro Floro Carbon)
Answered by Ashish, 15 May '10 10:17 pm

 
  
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4.

I think compressor usi ke through challta hai
Answered by kamal purohit, 15 May '10 10:15 pm

 
  
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5.

He working fluid arrives at the compressor as a cool, low-pressure gas. The compressor squeezes the fluid. This packs the molecule of the fluid closer together. The closer the molecules are together, the higher its energy and its temperature.

The working fluid leaves the compressor as a hot, high pressure gas and flows into the condenser. If you looked at the air conditioner part outside a house, look for the part that has metal fins all around. The fins act just like a radiator in a car and helps the heat go away, or dissipate, more quickly.

When the working fluid leaves the condenser, its temperature is much cooler and it has changed from a gas to a liquid under high pressure. The liquid goes into the evaporator through a very tiny, narrow hole. On the other side, the liquid's pressure drops. When it does it begins to evaporate into a gas.

As the liquid changes to gas and evaporates, it extracts heat from the air around it. The heat in the air is needed to separate the molec ...more
Source: google search
Answered by anil garg, 23 Jan '12 06:51 pm

 
  
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6.

Its the coolant
Answered by sumati gayki, 13 Aug '10 12:09 pm

 
  
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7.

Cooling caused by the rapid expansion of gases is the primary means of refrigeration today. The technique of evaporative cooling, as described heretofore, has been known for centuries, but the fundamental methods of mechanical refrigeration were only discovered in the middle of the 19th century. The first known artificial refrigeration was demonstrated by William Cullen at the University of Glasgow in 1748. Cullen let ethyl ether boil into a partial vacuum; he did not, however, use the result to any practical purpose. In 1805 an American inventor, Oliver Evans, designed the first refrigeration machine that used vapour instead of liquid. Evans never constructed his machine, but one similar to it was built by an American physician, John Gorrie, in 1844.

Commercial refrigeration is believed to have been initiated by an American businessman, Alexander C. Twinning, in 1856. Shortly afterward, an Australian, James Harrison, examined the refrigerators used by Gorrie and Twinning and intro ...more
Answered by KARTIKAY SHARMA, 15 May '10 10:30 pm

 
  
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