Wastewater Collection Operator Class I Practice Questions - ABC WPI Wastewater Collection System Operator Class I Certification Exam

What is the primary purpose of a gravity sewer in a wastewater collection system?

To pump wastewater uphill from low areas to a treatment plant To convey wastewater from generation points to a treatment plant or lift station using slope alone To store wastewater during peak flow events To remove dissolved organic matter before treatment

Correct Answer:

To convey wastewater from generation points to a treatment plant or lift station using slope alone

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