2025 California ICC UST Technician Exam Practice Guide

Question: 1 / 400

True or false: ATG systems consist of a probe in a tank and can calculate the change in product volume to determine leaking.

True

An Automatic Tank Gauge (ATG) system indeed consists of a probe that is installed within a storage tank. This probe monitors various parameters, one of which includes the product's volume. By measuring any changes in the volume of the product over time, the ATG can detect leaks.

The technology works on the principle of comparing the product volume at different intervals. If there is a significant decrease in the product volume without any corresponding product withdrawal, it indicates that there may be a leak in the tank. This monitoring function is critical for ensuring environmental safety and compliance with regulations pertaining to underground storage tanks (USTs).

Understanding this process is essential for UST service technicians, as it underscores the importance of regular monitoring and maintenance of tank systems to prevent leaks and ensure regulatory compliance.

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False

Only if calibrated

Only under specific conditions

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