Basic Wastewater Operator Practice Exam

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Prepare for the Basic Wastewater Operator Exam with flashcards and multiple choice questions. Each question comes with helpful hints and explanations. Ensure your success!

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What is the best valve for throttling flow?

Plug valve
Butterfly valve
Check valve
Gate valve

The correct answer is: Butterfly valve

The butterfly valve is particularly well-suited for throttling flow due to its design and functionality. It features a disc that rotates within the valve body to control the flow of fluid, allowing for precise adjustments. This capability enables effective regulation of flow rates across a range of conditions, which is essential in many wastewater applications. Butterfly valves offer a quick response to changes in flow demand and can handle a wide variety of media, making them versatile and efficient for throttling purposes. Additionally, they typically have a smaller footprint compared to other valve types and can be operated manually or automatically, adding to their practicality in flow control scenarios.