Which label on the below p-v diagram corresponds to propane at a temperature of T=20°C and a pressure of 7 bar?
Understand the Problem
The question is asking which label on the provided pressure-volume (p-v) diagram corresponds to propane at a specified temperature (20°C) and pressure (7 bar). To solve this, we need to analyze the p-v diagram in relation to the critical temperature and pressure of propane found in the referenced Table A-1.
Answer
Label 3
The label on the p-v diagram that corresponds to propane at a temperature of T=20°C and a pressure of 7 bar is label 3.
Answer for screen readers
The label on the p-v diagram that corresponds to propane at a temperature of T=20°C and a pressure of 7 bar is label 3.
More Information
At 20°C and 7 bar, propane will be in a liquid state inside the saturation curve, indicating it is compressed or subcooled liquid.
Tips
Make sure to understand the state points relative to the critical point and saturation line on the p-v diagram.
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