Sample Questions
1. Which of the following is the most desirable system configuration?
a. arterial loop
b. tree
c. grid
d. depends on the system
2. What results from dead ends?
a. restricted flow
b. stagnant water
c. water outages during breaks
d. all of the above
3. Where should blow offs be installed?
a. at high points
b. low points
c. regular intervals
d. only on large main lines
4. Where should air and vacuum valves be installed?
a. at high points
b. low points
c. regular intervals
d. only on large main lines
5. What does ISO stand for?
a. Insurance Services Organization
b. Insurance Services Office
c. Insurance Standards Organization
d. Insurance Standards Office
