Rhode Island Journeyman Plumber Practice Exam 2025 - Free Journeyman Plumber Practice Questions and Study Guide

Question: 1 / 400

What minimum temperature is usually required for effective sterilization?

140 degrees

160 degrees

For effective sterilization, a minimum temperature of 160 degrees Fahrenheit is often required, particularly in processes such as steam or dry heat sterilization. At this temperature, most microorganisms, including bacteria and viruses, are effectively killed. The method and duration of exposure to this temperature are also crucial, as it allows sufficient time for the heat to penetrate materials and ensure all surfaces are sterilized.

While higher temperatures, such as 180 degrees and 200 degrees, can provide additional assurance by eliminating even more resistant organisms and shortening the time required for sterilization, 160 degrees remains the generally accepted minimum to achieve effective results. This temperature is frequently used in various sterilization protocols within plumbing and sanitation practices, where ensuring the absence of pathogens is critical for system integrity and public health.

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180 degrees

200 degrees

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