5.
Water containing harmful substances, although it may be palatable, is said to
be __________________________
6.
Approximately how much water for drinking a day is required for a detachment of
four men doing heavy work in a humid climate at an average temperature of
90F?
_________________________________________ .
7.
Water that is cloudy or unclear due to suspended dirt or other matter is said to
be ________________________________.
8.
Water that contains predominantly alkaline substances is said to have a high
______________________________________.
9.
In Army water treatment, the steps of ___________________ and ___________
are combined.
10.
Which of the following are completely removed by a properly operated diatomite
filter?
a. Bacteria.
b. Amoebic cysts.
c.
Schistosomes.
d. Viruses.
11.
The only step in the water purification process that will remove all pathogens is:
a. Sedimentation.
b. Flocculation.
c.
Filtration.
d. Disinfection.
MD0008
5-17