Answers about Air Conditioning and Coolant

Question

The pressure and temperature relationship is described by the ideal gas law, which states that the pressure of a gas is directly proportional to its temperature
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Chemistry



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Why does a desert cooler cools better on a hot dry day?

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A desert cooler cools better on a hot dry day because it works by evaporating water to cool the air. In a hot, dry environment, the evaporation process is more
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Air Conditioning and Chillwell Test Coolant








Is ch2cl-ccl2f a hfc?

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Yes, ch2cl-ccl2f is a hydrochlorofluorocarbon (HCFC), not a hydrofluorocarbon (HFC). HCFCs contain carbon, hydrogen, chlorine, and fluorine atoms in their chemi
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Air Conditioning and Coolant








Why does the refrigerant pressure decrease in a refrigerant cylinder while charging with vapor?

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The refrigerant pressure decreases in the cylinder because the vapor refrigerant is being added to the cylinder at a lower temperature than the refrigerant alre
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Air Conditioning and Coolant








Why must water be circulated through a chiller during a refrigerant evacuation?

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When evacuating refrigerant from a chiller system, circulating water through the chiller helps dissipate the heat generated during the evacuation process. This
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Air Conditioning and Coolant








Why you wont use co2 as a refrigerant in airconditioning?

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CO2 has a higher operating pressure compared to traditional refrigerants, which can lead to the need for stronger and more expensive components in air condition
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Air Conditioning and Coolant








What is function of pressure relief port on freezer?

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The pressure relief port on a freezer is designed to release excess pressure that may build up inside the freezer due to changes in temperature or overfilling t
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Air Conditioning and Coolant








Why does a restriction cause a drop in pressure?

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A restriction causes a drop in pressure by increasing the resistance to flow within a system. This resistance forces the fluid to slow down, leading to a decrea
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Air Conditioning and Coolant








If the required charge level of refrigerant for an MVAC system is 40 ounces which of these is the correct charge level measured in pounds?

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The correct charge level measured in pounds would be 2.5 pounds, as 1 pound is equivalent to 16 ounces.