c.
Is the valve stem being correctly opened in observation three?
___________________________________________________________
d. How would you rate the ventilation system in observation four? Would you
make any recommendations for improvement?
___________________________________________________________
___________________________________________________________
e. Observations 5 and 6 deal with safety measures. Are these safety measures
satisfactory or would you make corrections?
___________________________________________________________.
34.
A high rate sand filter has not removed cloudiness from the water successfully.
What would you suggest to correct the problem?
___________________________________________________________
35.
What is a way to detect algae growth before any noticeable change in the water?
___________________________________________________________
36.
What effect does algae growth have on bacterial growth in swimming pools?
a. Algae growth basically has no effect on bacterial growth since nutritional
needs differ.
b. Algae growth tends to decrease bacterial growth since algae feed on some
forms of bacteria.
c.
Algae growth protects bacteria from chlorine and may encourage the growth
of some forms of bacteria.
37.
A pool maintains free available chlorine at all times, is fairly well shaded, and has
an average water temperature of 78 F. Is this pool likely to be threatened by algae
growth? Why or why not?
___________________________________________________________
___________________________________________________________
___________________________________________________________
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MD0166
1-47
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