LESSON 1
PRACTICE EXERCISE
The following items will test your gasp of the material covered in this lesson. There is only one correct answer
for each item. When you complete the exercise, check your answers with the answer key that follows. If you
answer any item incorrectly, study again that part of the lesson which contains the portion involved.
1. Which of the following describes the impact of pH on membrane performance and the effectiveness of
chemicals?
A.
A low pH can cause membrane fowling, an increase in chemical requirements.
B.
A high pH can cause membrane fowling, an increase in chemical requirements.
C.
A low pH can cause membrane fowling, a decrease in chemical requirements.
D.
A high pH can cause membrane fowling, a decrease in chemical requirements.
2. You are considering the operating capacity of the system and components. Which of the following applies?
A.
Distance from the source to the ROWPU
B.
Distance from the ROWPU to the distribution point
C.
Suction lift of the pumps
D.
All of the above
3. You are choosing a site which was used before. Which of the following actions is appropriate?
A.
Do not perform a site reconnaissance.
B.
Analyze the original DA Form 1712-R completed for the initial use of the site.
C.
Back up your site selection with a new reconnaissance.
D.
None of the above.
4. What factor should receive the highest priority in site selection?
A.
Mission accomplishment
B.
Road networks
C.
Proximity to bivouac area
D.
Potential quantity of water available
QM4916
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