At what pressure is the boiling point of water 239 degrees F?

The boiling point of water increases with pressure due to the relationship between temperature and pressure in a closed system. At standard atmospheric pressure (14.7 psi), water boils at 212 degrees Fahrenheit. As the pressure increases, the boiling point of water also increases.

At 10 psi, the boiling point of water reaches approximately 239 degrees Fahrenheit, which correlates with the properties of water in a pressurized environment. This is a critical consideration in applications where steam is generated and utilized, as it impacts the efficiency and effectiveness of cooking or processing equipment.

Thus, when evaluating the options, the one corresponding to the boiling point of water at 239 degrees Fahrenheit under pressure is accurately identified as 10 psi. This understanding is fundamental when working with steam equipment, as it affects cooking times, temperatures, and safety measures in commercial kitchen environments.