Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for« Back to Previous Page
A. unexpected large scale infiltration of stream water
B. unexpected increase in the population
C. under estimates of maximum and average flows
D. All of the above.
|
▲ ▼ |
D. All of the above. |
▲ ▼ |
D. All of the above. |
Please log in to post questions/answers: