Rhode Island Journeyman Plumber Practice Exam

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What is the temperature range for tempered water?

70 - 90 degrees
80 - 100 degrees
85 - 110 degrees
90 - 120 degrees

The correct answer is: 85 - 110 degrees

Tempered water is designed to provide a safe and comfortable temperature, especially in contexts such as plumbing, where it is often used in fixtures like showers or sinks to minimize the risk of scalding. The correct range of 85 to 110 degrees Fahrenheit is established to ensure that the water is warm enough for comfort while still being cool enough to prevent burns. Water temperatures above 110 degrees can start to pose a risk of scalding, particularly for vulnerable populations such as young children or the elderly. Therefore, the standards set for tempered water help bridge the need for user comfort and safety. The other temperature ranges presented either fall below the lower threshold where water might not feel warm enough (like those options at 70-90 degrees) or exceed the safe limit, raising the risk of burns (as in the choice of 90-120 degrees).