The characteristics of fresh and septic sewage respectively are
A. Acidic and alkaline
B. Alkaline and acidic
C. Both acidic
D. Both alkaline
Answer: Option B
A. Acidic and alkaline
B. Alkaline and acidic
C. Both acidic
D. Both alkaline
Answer: Option B
The distribution mains are designed for
A. Maximum daily demand
B. Maximum hourly demand
C. Average daily demand
D. Maximum hourly demand on maximum day
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
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