Answer the following statement(s) true (T) or false (F)
1. The National Standard Plumbing Code requires the water distribution system to be sized for a maximum velocity of 12 feet per second at the design flow rate. 2. Curb valves are located at the termination of the water service and provide isolation safety and maintenance capabilities for a structure.
3. Codes state that the maximum allowable pressure in a structure shall be limited to 80 psi under static conditions (no flow).
4. Riser valves are required when water lines pass through more than one floor.
5. Gray water systems shall never be connected to the water distribution system regardless of the degree of treatment.
1. False.
2. False.
3. True.
4. True.
5. True.
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Fill in the blank(s) with the appropriate word(s).
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