California ICC UST Service Technician Practice Exam

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Prepare for the California ICC UST Service Technician Exam with our engaging quiz. Test your knowledge using a variety of questions, including multiple-choice and flashcards. Each question is accompanied by helpful hints and detailed explanations to boost your understanding.

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When using a product piping test boot, what should be done with the poppet from the Schrader valve?

It must remain in place
It must be left facing up
It must be removed and left facing down
It can be removed and stored elsewhere

The correct answer is: It must be removed and left facing down

When using a product piping test boot, removing the poppet from the Schrader valve and leaving it facing down is the correct approach. This action is essential for ensuring that the pressure can be accurately tested within the piping system. Removing the poppet allows air to escape from the testing system, which can help achieve a vacuum or specific pressure level required for a proper leak test. Positioning the poppet facing down is also beneficial because it helps prevent any debris or contaminants from entering the valve during the testing process. This practice is crucial for maintaining the integrity of the test and ensuring reliable results. In contrast, leaving the poppet in place can obstruct the testing process. Similarly, having it face up might risk potential contamination, and removing it to store elsewhere could lead to misplacement or a failure to incorporate it back into the system when necessary. Therefore, the specified action ensures the testing process is conducted safely and effectively.