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The procedure for determining the presence of Non-Condensable Gasses in refrigerant contained in an external recovery tank utilizes the principle that noncondensable gases the pressure of the refrigerant (compared to the saturation pressure).

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The procedure for determining the presence of non-condensable gases in refrigerant contained in an external recovery tank utilizes the principle that non-condensable gases increases the pressure of the refrigerant (compared to the saturation pressure).Explanation:The existence of non-condensable gases gives rise to an increase in the pressure of the refrigerant, this generates supplementary thermal resistance in the refrigeration circuit, which in turn decreases the efficiency of the system.

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