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