- Match the terms with the correct definition.
| Key Term | Definition |
|---|---|
| a. P&T relief valve |
1. A fitting or device that provides a liquid seal to prevent the emission of sewer gases without materially affecting the flow of sewage or wastewater through it. |
| b. potable water |
2. Consists of the water service pipe, the water-distributing pipes, the necessary connecting pipes, fittings, control valves, and all appurtenances in or adjacent to the building or premises. |
| c. trap |
3. A safety valve installed on a hot water storage tank to limit temperature and pressure of the water. |
| d. interceptor |
4. The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into a potable water supply because of negative pressure in the pipe. |
| e. water supply system |
5. Water having no impurities present in amounts sufficient to cause disease or harmful physiologic effects and conforming in its bacteriologic and chemical quality to the requirements of the U.S. Environmental Protection Agency’s Safe Drinking Water Act or meeting the regulations of other agencies having jurisdiction. |
| f. sewerage system |
6. A device to separate and retain deleterious, hazardous, or undesirable matter from normal waste and permit normal sewage or liquid waste to discharge into the drainage system by gravity. |
| g. water hammer |
7. A system comprising all piping, appurtenances, and treatment facilities used for the collection and disposal of sewage, except plumbing inside and in connection with buildings served, and the building drain. |
| h. back siphonage |
8. The loud thump of water in a pipe when a valve or faucet is suddenly closed. |