TCEQ Class A Water Operator Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

What kind of hazards do check valves prevent in pump systems?

Pressure loss

Backflow

Check valves are crucial components in pump systems, primarily designed to prevent backflow. Backflow occurs when the flow of water reverses, which can happen for various reasons, such as a pressure drop in the pipeline or when a pump shuts down. This backflow can lead to contamination of the water supply, as it may allow water from downstream systems to enter the piping system, potentially causing significant health risks and inefficiency in operations.

By ensuring that water can only flow in one direction, check valves protect the integrity of the system and maintain the intended flow path, thereby preventing any potential hazards associated with backflow. Their function is essential for maintaining both the efficiency of water systems and the safety of the water being delivered.

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Airlocks

Corrosive damage

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