SOLUTIONS TO EXERCISES, LESSON 6
1.
a
(para 6-2a).
2.
d
(para 6-2b, figure 6-3).
3.
b
(para 6-2c, figure 6-4) c and d wiII also remove turbidity; however, they are not
designed for this purpose and operate more efficiently with coagulated water.
4.
a
(para 6-3b(2).
5.
10 (para 6-3b(2).
6.
a(2)
b(5)
c(3)
d(1) (para 6-3a).
7.
a-l00
b-l00 (para 6-3b(1)).
8.
50 (para 6-3b(3)).
9.
brick, stone, concrete (para 6-3a(1)).
10.
backflow (para 6-6b)
11.
backsiphonage (para 6-6c)
12.
Atmospheric pressure.
Vacuum (negative pressure).
Head (pressure differential) (para 6-7).
13.
Direct (paras 6-8. 6-6a).
14.
vertical air gap (para 6-10).
15.
submerged inlet (para 6-9).
16.
backsiphonage (para 6-11).
17.
nonpressure, atmospheric (para 6-11a).
18.
reduced pressure backflow preventer (para 6-12).
MD0160
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