In municipal engineering, the rate of sewage flow is commonly modeled as__________________?
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Answer: D. At 150 litres per capita
Explanation
Municipal engineering design standards model wastewater flow rates around an average consumption figure of 150 litres per capita. Water supply consumption data directly informs wastewater collection network sizing because most domestic water enters sewer systems. Planning guidelines use per capita daily flow metrics to calculate pipe diameters and treatment plant capacities for growing cities. Municipal engineering encompasses the design of vital urban infrastructure including water supply networks and sanitary sewer systems. Per capita consumption metrics account for domestic, commercial, and institutional water usage averaged across urban populations. Sewer pipe networks must be carefully engineered to handle peak wastewater flows without causing overflows or structural backups.
Assuming wastewater flow exceeds water supply is incorrect because not all supplied water reaches the municipal sewer system. Equating sewage flow strictly to water supply ignores losses from lawn irrigation, evaporation, and industrial product incorporation. Stating that sewage flow is less than water supply is a general observation, but the specific numerical standard is the key value.
- Subject
- Engineering
- Category
- Civil Engineering
- Topic
- —
- Difficulty
- medium
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