Water Distribution 1-3

1. A ___ is a water supply pipe located between a water distribution pipe and fixture supply pipe.

• A. riser
• B. fixture branch
• C. siphon
• D. minor branch

2. ___ water is suitable for drinking, culinary, and hygienic purposes.

• A. Raw
• B. Service
• C. Potable
• D. Surface

3. A water meter is a mechanical device used to measure water ___.

• A. temperature
• B. flow
• C. pressure
• D. volume

4. A ___ engineering innovation is the large-scale inverted siphon, which enabled aqueducts to cross valleys without the use of arched structures.

• A. Roman
• B. Greek
• C. British
• D. American

5. The aqueduct system in ___ is the longest in the world.

• A. London, England,
• B. modern-day Turkey
• C. the state of California
• D. the state of New Jersey

6. ___ was the first major city to have a centralized and piped water delivery system.

• A. London
• B. Rome
• C. Dillenburg
• D. Versailles

7. A(n) ___ is a pipe connection in which the plain end of one pipe is inserted into the enlarged-diameter end of another pipe.

• A. butterfly valve
• B. flanged joint
• C. coupling
• D. bell-and-spigot joint

8. In 1850, Dr. John Snow discovered that the cause of the London cholera epidemic was ___.

• A. cross contamination of the water supply and drainage piping lines
• B. polluted freshwater sources
• C. poor food-sanitation regulation
• D. miasma

9. The ___ could clarify turbid raw water with no pre-sedimentation and was less expensive to use than the slow sand filter.

• A. qanat
• B. raw-water sand filter
• C. centrifugal pump
• D. rapid sand filter

10. ___ pipe is a piping material that contains organic, polymeric substances, is solid in its finished state, and can be shaped by flow.

• A. Plastic
• B. Cast-iron
• C. Wood
• D. Ductile iron