UST Installation and Retrofitting Complete Practice Exam 2025

Question: 1 / 400

Tank-top sumps are designed to contain leaks from which type of fittings?

Plastic

Steel

Tank-top sumps are specifically designed to contain leaks from steel fittings. This is primarily due to the fact that steel, while strong and resistant to various forms of damage, is also susceptible to corrosion over time, particularly when in contact with certain chemicals and environmental conditions. The purpose of tank-top sumps is to provide an additional layer of protection by capturing any leaks or spills that may occur from the steel fittings on top of the storage tanks.

The design of the sumps allows for any leaks to be contained and managed, preventing environmental contamination and ensuring compliance with safety and regulatory standards. While other materials like plastic, aluminum, and copper may also be used in fittings, they typically do not require the same level of leak containment measures to the extent that steel does, particularly in applications involving hazardous liquids.

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Aluminum

Copper

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