When checking for non-condensables inside a recovery cylinder known to contain only one refrigerant, why should the technician allow the temperature of the cylinder to stabilize to room temperature before taking a pressure reading?

Question

Social Studies

Aldo Reese

5 December, 15:32

When checking for non-condensables inside a recovery cylinder known to contain only one refrigerant, why should the technician allow the temperature of the cylinder to stabilize to room temperature before taking a pressure reading?

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Answers (1)

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Aria Skinner · Answer 1

C) comparisons to a pressure-temperature chart are only valid if both the pressure and temperature of the refrigerant are stable and know

Explanation:

Therefore, the room temperature affects also the non-condensables. If the room temperature is not stable, then the temperature of the non-condensables shall not be stable, likewise its temperature. Thereby, the inferences made without the room temperature stabilizing shall be erroneous.