According to the data given in illustration, which of the following would be the physical state of the fluid at a gage vacuum of 28.09 inches Hg, and 117.99 degrees Fahrenheit? Illustration SG-0026

Correct Answer: Option D — Superheated vapor.

At the specified high vacuum and corresponding low saturation temperature, thermodynamic property tables show the actual fluid temperature exceeds the saturation temperature for that pressure, confirming the fluid exists entirely as a superheated vapor.