FREE Association of Boards of Certification Foundational Knowledge Assessment Questions and Answers
What is the physical connection, direct or indirect, which provides the opportunity for nonpotable water to enter a conduit, pipe or receptacle containing potable water?
A cross connection is any physical connection between a potable water supply and a non-potable source. This connection can lead to contamination of the drinking water supply if non-potable water backflows into the potable system. It is crucial to identify and eliminate cross connections to maintain water safety and public health.
Which of the following terms refers to excessive internal pressure, which may be several times the normal operating pressure and can seriously damage hydropneumatic tanks, valves, and the piping network?
Water hammer is a hydraulic shock that occurs when a fluid in motion is forced to stop or change direction suddenly. This phenomenon creates a pressure surge that can lead to significant damage in plumbing systems, including ruptured pipes and damaged valves. Understanding and mitigating water hammer is crucial for maintaining system integrity.
What is the primary purpose of a preventive maintenance program?
A preventive maintenance program is designed to regularly inspect, service, and maintain equipment to prevent unexpected failures and extend its lifespan. By proactively addressing potential issues, organizations can reduce downtime, lower repair costs, and ensure the smooth operation of their systems.
To ensure that the water supplied by a public water system meets federal and state requirements, the water system operator must regularly collect samples and...
Water system operators are responsible for monitoring water quality to comply with federal and state regulations. Regular sampling and testing of water help identify any contaminants and ensure that the water remains safe for consumption. Reporting analysis results to the state is essential for regulatory compliance and public health protection.
When bringing community water service to a home with a private well, what is the most positive method of preventing a cross connection between the two systems?
An air gap is a physical separation between the end of a water supply outlet and the flood level of a receptacle. This method effectively prevents any backflow of contaminated water from a private well into the community water supply, ensuring safe drinking water. It is considered the most reliable way to prevent cross connections.