refrigeration

Which Device Is Used For The Expression Of Refrigerant In Vapour Compression Refrigeration Cycle?

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Which Device Is Used For The Expression Of Refrigerant In Vapour Compression Refrigeration Cycle? The most common include ammonia, Freon (and other chlorofluorocarbon refrigerants, aka CFCs), and HFC-134a (a non-toxic hydrofluorocarbon). The Vapor-Compression Refrigeration Cycle is comprised of four steps. Which device is used for expansion of refrigerant in Vapour compression refrigeration cycle? Figure 1

Which Refrigerants Must Be Recovered?

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Which Refrigerants Must Be Recovered? Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs Do all refrigerants need to be recovered? Refrigerants should only be reclaimed if the ownership has changed. All manufacturers and importers of refrigerant recovery equipment are required to have their equipment tested by an EPA-approved organization to lessen the involved hazards. What type of refrigerant

Which Type Of Refrigerant Has The Lowest Global Warming Potential?

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Which Type Of Refrigerant Has The Lowest Global Warming Potential? The refrigerant with the lowest GWP (Global Warming Potential) is R-717. There are many other low-GWP refrigerants out there, meaning you as an HVAC professional should have no trouble finding one right for the applications you deal with. Which refrigerant has the highest global warming

Why Should Oxygen Or Compressed Air Not Be Used To Pressurize Appliances To Check For Leaks?

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Why Should Oxygen Or Compressed Air Not Be Used To Pressurize Appliances To Check For Leaks? Why should oxygen or compressed air NOT be used to pressurize appliances to check for leaks? Oxygen or compressed air can explode when mixed with compressor oil or some refrigerants. Why should oxygen or compressed air never be used

Why Were Old Methods Of Food Preservation Effective?

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Why Were Old Methods Of Food Preservation Effective? In frozen climates, they froze meat on the ice; in tropical climates, they dried foods in the sun. These early methods of food preservation enabled ancient man to put down roots and form communities. They no longer had to consume the kill or harvest immediately but could